diff --git a/README.md b/README.md
index 9a9306c..c2036fc 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ You're also able to start the game directly in a game mode (eg. Marathon), skipp
 
 ```bash
 # Start the game in Marathon mode with a level of 5 and the player name "Brodie"
-./tetrigo marathon --level=5 --name=Brodie 
+./tetrigo play marathon --level=5 --name=Brodie 
 ```
 
 To see more options for starting the game you can run:
diff --git a/cmd/tetrigo/main.go b/cmd/tetrigo/main.go
index f4c7fe7..3d84656 100644
--- a/cmd/tetrigo/main.go
+++ b/cmd/tetrigo/main.go
@@ -1,15 +1,7 @@
 package main
 
 import (
-	"fmt"
-
-	"github.com/Broderick-Westrope/tetrigo/internal/config"
-	"github.com/Broderick-Westrope/tetrigo/internal/data"
-	"github.com/Broderick-Westrope/tetrigo/internal/tui/common"
-	"github.com/Broderick-Westrope/tetrigo/internal/tui/starter"
 	"github.com/alecthomas/kong"
-
-	tea "github.com/charmbracelet/bubbletea"
 )
 
 type CLI struct {
@@ -25,35 +17,6 @@ type GlobalVars struct {
 	DB     string `help:"Path to database file" default:"tetrigo.db"`
 }
 
-type MenuCmd struct{}
-
-func (c *MenuCmd) Run(globals *GlobalVars) error {
-	return launchStarter(globals, common.ModeMenu, common.NewMenuInput())
-}
-
-type PlayCmd struct {
-	GameMode string `arg:"" help:"Game mode to play" default:"marathon"`
-	Level    uint   `help:"Level to start at" short:"l" default:"1"`
-	Name     string `help:"Name of the player" short:"n" default:"Anonymous"`
-}
-
-func (c *PlayCmd) Run(globals *GlobalVars) error {
-	switch c.GameMode {
-	case "marathon":
-		return launchStarter(globals, common.ModeMarathon, common.NewMarathonInput(c.Level, c.Name))
-	default:
-		return fmt.Errorf("invalid game mode: %s", c.GameMode)
-	}
-}
-
-type LeaderboardCmd struct {
-	GameMode string `arg:"" help:"Game mode to display" default:"marathon"`
-}
-
-func (c *LeaderboardCmd) Run(globals *GlobalVars) error {
-	return launchStarter(globals, common.ModeLeaderboard, common.NewLeaderboardInput(c.GameMode))
-}
-
 func main() {
 	cli := CLI{}
 	ctx := kong.Parse(&cli,
@@ -65,28 +28,3 @@ func main() {
 	err := ctx.Run(&cli.GlobalVars)
 	ctx.FatalIfErrorf(err)
 }
-
-func launchStarter(globals *GlobalVars, starterMode common.Mode, switchIn common.SwitchModeInput) error {
-	db, err := data.NewDB(globals.DB)
-	if err != nil {
-		return fmt.Errorf("error opening database: %w", err)
-	}
-
-	cfg, err := config.GetConfig(globals.Config)
-	if err != nil {
-		return fmt.Errorf("error getting config: %w", err)
-	}
-
-	model, err := starter.NewModel(
-		starter.NewInput(starterMode, switchIn, db, cfg),
-	)
-	if err != nil {
-		return fmt.Errorf("error creating starter model: %w", err)
-	}
-
-	if _, err = tea.NewProgram(model, tea.WithAltScreen()).Run(); err != nil {
-		return fmt.Errorf("error running tea program: %w", err)
-	}
-
-	return nil
-}
diff --git a/cmd/tetrigo/subcommands.go b/cmd/tetrigo/subcommands.go
new file mode 100644
index 0000000..975049f
--- /dev/null
+++ b/cmd/tetrigo/subcommands.go
@@ -0,0 +1,67 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/Broderick-Westrope/tetrigo/internal/config"
+	"github.com/Broderick-Westrope/tetrigo/internal/data"
+	"github.com/Broderick-Westrope/tetrigo/internal/tui/common"
+	"github.com/Broderick-Westrope/tetrigo/internal/tui/starter"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type MenuCmd struct{}
+
+func (c *MenuCmd) Run(globals *GlobalVars) error {
+	return launchStarter(globals, common.ModeMenu, common.NewMenuInput())
+}
+
+type PlayCmd struct {
+	GameMode string `arg:"" help:"Game mode to play" default:"marathon"`
+	Level    int    `help:"Level to start at" short:"l" default:"1"`
+	Name     string `help:"Name of the player" short:"n" default:"Anonymous"`
+}
+
+func (c *PlayCmd) Run(globals *GlobalVars) error {
+	switch c.GameMode {
+	case "marathon":
+		return launchStarter(globals, common.ModeUltra, common.NewSingleInput(common.ModeMarathon, c.Level, c.Name))
+	case "ultra":
+		return launchStarter(globals, common.ModeUltra, common.NewSingleInput(common.ModeUltra, c.Level, c.Name))
+	default:
+		return fmt.Errorf("invalid game mode: %s", c.GameMode)
+	}
+}
+
+type LeaderboardCmd struct {
+	GameMode string `arg:"" help:"Game mode to display" default:"marathon"`
+}
+
+func (c *LeaderboardCmd) Run(globals *GlobalVars) error {
+	return launchStarter(globals, common.ModeLeaderboard, common.NewLeaderboardInput(c.GameMode))
+}
+
+func launchStarter(globals *GlobalVars, starterMode common.Mode, switchIn common.SwitchModeInput) error {
+	db, err := data.NewDB(globals.DB)
+	if err != nil {
+		return fmt.Errorf("error opening database: %w", err)
+	}
+
+	cfg, err := config.GetConfig(globals.Config)
+	if err != nil {
+		return fmt.Errorf("error getting config: %w", err)
+	}
+
+	model, err := starter.NewModel(
+		starter.NewInput(starterMode, switchIn, db, cfg),
+	)
+	if err != nil {
+		return fmt.Errorf("error creating starter model: %w", err)
+	}
+
+	if _, err = tea.NewProgram(model, tea.WithAltScreen()).Run(); err != nil {
+		return fmt.Errorf("error running tea program: %w", err)
+	}
+
+	return nil
+}
diff --git a/internal/config/config.go b/internal/config/config.go
index 3f23c5c..b90907f 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -19,7 +19,7 @@ type Config struct {
 	LockDownMode string `toml:"lock_down_mode"`
 
 	// The maximum level to reach before the game ends or the level stops increasing.
-	MaxLevel uint `toml:"max_level"`
+	MaxLevel int `toml:"max_level"`
 
 	// Whether the game ends when the max level is reached.
 	EndOnMaxLevel bool `toml:"end_on_max_level"`
diff --git a/internal/tui/components/hpicker/keymap.go b/internal/tui/common/components/hpicker/keymap.go
similarity index 100%
rename from internal/tui/components/hpicker/keymap.go
rename to internal/tui/common/components/hpicker/keymap.go
diff --git a/internal/tui/components/hpicker/model.go b/internal/tui/common/components/hpicker/model.go
similarity index 85%
rename from internal/tui/components/hpicker/model.go
rename to internal/tui/common/components/hpicker/model.go
index 2c4ae13..b663ec9 100644
--- a/internal/tui/components/hpicker/model.go
+++ b/internal/tui/common/components/hpicker/model.go
@@ -15,15 +15,20 @@ type Model struct {
 	// cursor is the index of the currently selected option.
 	selected int
 	// options is a list of the possible options for this component.
-	options []string
+	options []KeyValuePair
 	// keymap encodes the keybindings recognized by the component.
 	keymap *KeyMap
 	styles Styles
 }
 
+type KeyValuePair struct {
+	Key   string
+	Value any
+}
+
 type Option func(*Model)
 
-func NewModel(options []string, opts ...Option) *Model {
+func NewModel(options []KeyValuePair, opts ...Option) *Model {
 	m := &Model{
 		options: options,
 		keymap:  defaultKeyMap(),
@@ -39,9 +44,10 @@ func NewModel(options []string, opts ...Option) *Model {
 
 func WithRange(minValue, maxValue int) Option {
 	return func(m *Model) {
-		m.options = make([]string, (maxValue-minValue)+1)
+		m.options = make([]KeyValuePair, (maxValue-minValue)+1)
 		for i := minValue - 1; i < maxValue; i++ {
-			m.options[i] = strconv.Itoa(i + 1)
+			m.options[i].Key = strconv.Itoa(i + 1)
+			m.options[i].Value = i + 1
 		}
 	}
 }
@@ -82,7 +88,7 @@ func (m *Model) View() string {
 
 	return lipgloss.JoinHorizontal(lipgloss.Center,
 		prev.Render(m.styles.PrevIndicator),
-		m.styles.SelectionStyle.Render(m.options[m.selected]),
+		m.styles.SelectionStyle.Render(m.options[m.selected].Key),
 		next.Render(m.styles.NextIndicator),
 	)
 }
@@ -111,6 +117,6 @@ func (m *Model) isLast() bool {
 	return m.selected == len(m.options)-1
 }
 
-func (m *Model) GetSelection() string {
+func (m *Model) GetSelection() KeyValuePair {
 	return m.options[m.selected]
 }
diff --git a/internal/tui/components/hpicker/styles.go b/internal/tui/common/components/hpicker/styles.go
similarity index 100%
rename from internal/tui/components/hpicker/styles.go
rename to internal/tui/common/components/hpicker/styles.go
diff --git a/internal/tui/components/textinput/textinput.go b/internal/tui/common/components/textinput/textinput.go
similarity index 100%
rename from internal/tui/components/textinput/textinput.go
rename to internal/tui/common/components/textinput/textinput.go
diff --git a/internal/tui/common/input.go b/internal/tui/common/input.go
index 2c91c00..c45542a 100644
--- a/internal/tui/common/input.go
+++ b/internal/tui/common/input.go
@@ -3,11 +3,11 @@ package common
 import "github.com/Broderick-Westrope/tetrigo/internal/data"
 
 type MarathonInput struct {
-	Level      uint
+	Level      int
 	PlayerName string
 }
 
-func NewMarathonInput(level uint, playerName string) *MarathonInput {
+func NewMarathonInput(level int, playerName string) *MarathonInput {
 	return &MarathonInput{
 		Level:      level,
 		PlayerName: playerName,
@@ -16,6 +16,22 @@ func NewMarathonInput(level uint, playerName string) *MarathonInput {
 
 func (in *MarathonInput) isSwitchModeInput() {}
 
+type SingleInput struct {
+	Mode       Mode
+	Level      int
+	PlayerName string
+}
+
+func NewSingleInput(mode Mode, level int, playerName string) *SingleInput {
+	return &SingleInput{
+		Mode:       mode,
+		Level:      level,
+		PlayerName: playerName,
+	}
+}
+
+func (in *SingleInput) isSwitchModeInput() {}
+
 type MenuInput struct {
 }
 
diff --git a/internal/tui/common/keys.go b/internal/tui/common/keys.go
deleted file mode 100644
index 86bbd06..0000000
--- a/internal/tui/common/keys.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package common
-
-import "github.com/charmbracelet/bubbles/key"
-
-func ConstructKeyBinding(keys []string, desc string) key.Binding {
-	buildHelpKeys := func(keys []string) string {
-		helpKeys := ""
-		for _, key := range keys {
-			if key == " " {
-				key = "space"
-			}
-			helpKeys += key + ", "
-		}
-		return helpKeys[:len(helpKeys)-2]
-	}
-
-	return key.NewBinding(key.WithKeys(keys...), key.WithHelp(buildHelpKeys(keys), desc))
-}
diff --git a/internal/tui/common/mode.go b/internal/tui/common/mode.go
index 098be9d..c505578 100644
--- a/internal/tui/common/mode.go
+++ b/internal/tui/common/mode.go
@@ -4,14 +4,6 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 )
 
-type Mode int
-
-const (
-	ModeMenu = Mode(iota)
-	ModeMarathon
-	ModeLeaderboard
-)
-
 type SwitchModeMsg struct {
 	Target Mode
 	Input  SwitchModeInput
@@ -29,3 +21,23 @@ func SwitchModeCmd(target Mode, in SwitchModeInput) tea.Cmd {
 		}
 	}
 }
+
+type Mode int
+
+const (
+	ModeMenu = Mode(iota)
+	ModeMarathon
+	ModeUltra
+	ModeLeaderboard
+)
+
+var modeToStrMap = map[Mode]string{
+	ModeMenu:        "Menu",
+	ModeMarathon:    "Marathon",
+	ModeUltra:       "Ultra",
+	ModeLeaderboard: "Leaderboard",
+}
+
+func (m Mode) String() string {
+	return modeToStrMap[m]
+}
diff --git a/internal/tui/common/overlay.go b/internal/tui/common/overlay.go
index 549145b..3670bab 100644
--- a/internal/tui/common/overlay.go
+++ b/internal/tui/common/overlay.go
@@ -11,10 +11,35 @@ import (
 	"github.com/muesli/termenv"
 )
 
+const (
+	pausedMsg = `    ____                            __
+   / __ \____ ___  __________  ____/ /
+  / /_/ / __ ^/ / / / ___/ _ \/ __  /
+/ ____/ /_/ / /_/ (__  )  __/ /_/ /
+/_/    \__,_/\__,_/____/\___/\__,_/
+Press PAUSE to continue or HOLD to exit.`
+
+	gameOverMsg = `   ______                        ____                 
+  / ____/___ _____ ___  ___     / __ \_   _____  _____
+ / / __/ __ ^/ __ ^__ \/ _ \   / / / / | / / _ \/ ___/
+/ /_/ / /_/ / / / / / /  __/  / /_/ /| |/ /  __/ /
+\____/\__,_/_/ /_/ /_/\___/   \____/ |___/\___/_/
+
+			Press EXIT or HOLD to continue.`
+)
+
 // Most of this code is borrowed from
 // https://github.com/charmbracelet/lipgloss/pull/102
 // as well as the lipgloss library.
 
+func OverlayPausedMessage(bg string) string {
+	return placeOverlayCenter(pausedMsg, bg)
+}
+
+func OverlayGameOverMessage(bg string) string {
+	return placeOverlayCenter(gameOverMsg, bg)
+}
+
 // Split a string into lines, additionally returning the size of the widest
 // line.
 func getLines(s string) ([]string, int) {
@@ -31,14 +56,14 @@ func getLines(s string) ([]string, int) {
 	return lines, widest
 }
 
-func PlaceOverlayCenter(fg, bg string, opts ...WhitespaceOption) string {
+func placeOverlayCenter(fg, bg string, opts ...WhitespaceOption) string {
 	x := lipgloss.Width(bg) / 2
 	y := lipgloss.Height(bg) / 2
-	return PlaceOverlay(x, y, fg, bg, opts...)
+	return placeOverlay(x, y, fg, bg, opts...)
 }
 
-// PlaceOverlay places fg on top of bg.
-func PlaceOverlay(x, y int, fg, bg string, opts ...WhitespaceOption) string {
+// placeOverlay places fg on top of bg.
+func placeOverlay(x, y int, fg, bg string, opts ...WhitespaceOption) string {
 	fgLines, fgWidth := getLines(fg)
 	bgLines, bgWidth := getLines(bg)
 	bgHeight := len(bgLines)
diff --git a/internal/tui/game/keymap.go b/internal/tui/game/keymap.go
new file mode 100644
index 0000000..0fa280f
--- /dev/null
+++ b/internal/tui/game/keymap.go
@@ -0,0 +1,76 @@
+package game
+
+import (
+	"github.com/Broderick-Westrope/tetrigo/internal/config"
+	"github.com/charmbracelet/bubbles/key"
+)
+
+type KeyMap struct {
+	ForceQuit        key.Binding
+	Exit             key.Binding
+	Help             key.Binding
+	Left             key.Binding
+	Right            key.Binding
+	Clockwise        key.Binding
+	CounterClockwise key.Binding
+	SoftDrop         key.Binding
+	HardDrop         key.Binding
+	Hold             key.Binding
+}
+
+func constructKeyBinding(keys []string, desc string) key.Binding {
+	buildHelpKeys := func(keys []string) string {
+		helpKeys := ""
+		for _, key := range keys {
+			if key == " " {
+				key = "space"
+			}
+			helpKeys += key + ", "
+		}
+		return helpKeys[:len(helpKeys)-2]
+	}
+
+	return key.NewBinding(key.WithKeys(keys...), key.WithHelp(buildHelpKeys(keys), desc))
+}
+
+func ConstructKeyMap(keys *config.Keys) *KeyMap {
+	return &KeyMap{
+		ForceQuit:        constructKeyBinding(keys.ForceQuit, "force quit"),
+		Exit:             constructKeyBinding(keys.Exit, "exit"),
+		Help:             constructKeyBinding(keys.Help, "help"),
+		Left:             constructKeyBinding(keys.Left, "move left"),
+		Right:            constructKeyBinding(keys.Right, "move right"),
+		Clockwise:        constructKeyBinding(keys.RotateClockwise, "rotate clockwise"),
+		CounterClockwise: constructKeyBinding(keys.RotateCounterClockwise, "rotate counter-clockwise"),
+		SoftDrop:         constructKeyBinding(keys.Down, "toggle soft drop"),
+		HardDrop:         constructKeyBinding(keys.Up, "hard drop"),
+		Hold:             constructKeyBinding(keys.Submit, "hold"),
+	}
+}
+
+func (k *KeyMap) ShortHelp() []key.Binding {
+	return []key.Binding{
+		k.Exit,
+		k.Help,
+	}
+}
+
+func (k *KeyMap) FullHelp() [][]key.Binding {
+	return [][]key.Binding{
+		{
+			k.Exit,
+			k.Help,
+			k.Left,
+		},
+		{
+			k.Right,
+			k.Clockwise,
+			k.CounterClockwise,
+		},
+		{
+			k.SoftDrop,
+			k.HardDrop,
+			k.Hold,
+		},
+	}
+}
diff --git a/internal/tui/marathon/styles.go b/internal/tui/game/styles.go
similarity index 99%
rename from internal/tui/marathon/styles.go
rename to internal/tui/game/styles.go
index 251725c..e15801d 100644
--- a/internal/tui/marathon/styles.go
+++ b/internal/tui/game/styles.go
@@ -1,4 +1,4 @@
-package marathon
+package game
 
 import (
 	"github.com/Broderick-Westrope/tetrigo/internal/config"
diff --git a/internal/tui/marathon/keymap.go b/internal/tui/marathon/keymap.go
deleted file mode 100644
index 0a808b2..0000000
--- a/internal/tui/marathon/keymap.go
+++ /dev/null
@@ -1,62 +0,0 @@
-package marathon
-
-import (
-	"github.com/Broderick-Westrope/tetrigo/internal/config"
-	"github.com/Broderick-Westrope/tetrigo/internal/tui/common"
-	"github.com/charmbracelet/bubbles/key"
-)
-
-type keyMap struct {
-	ForceQuit        key.Binding
-	Exit             key.Binding
-	Help             key.Binding
-	Left             key.Binding
-	Right            key.Binding
-	Clockwise        key.Binding
-	CounterClockwise key.Binding
-	SoftDrop         key.Binding
-	HardDrop         key.Binding
-	Hold             key.Binding
-}
-
-func constructKeyMap(keys *config.Keys) *keyMap {
-	return &keyMap{
-		ForceQuit:        common.ConstructKeyBinding(keys.ForceQuit, "force quit"),
-		Exit:             common.ConstructKeyBinding(keys.Exit, "exit"),
-		Help:             common.ConstructKeyBinding(keys.Help, "help"),
-		Left:             common.ConstructKeyBinding(keys.Left, "move left"),
-		Right:            common.ConstructKeyBinding(keys.Right, "move right"),
-		Clockwise:        common.ConstructKeyBinding(keys.RotateClockwise, "rotate clockwise"),
-		CounterClockwise: common.ConstructKeyBinding(keys.RotateCounterClockwise, "rotate counter-clockwise"),
-		SoftDrop:         common.ConstructKeyBinding(keys.Down, "toggle soft drop"),
-		HardDrop:         common.ConstructKeyBinding(keys.Up, "hard drop"),
-		Hold:             common.ConstructKeyBinding(keys.Submit, "hold"),
-	}
-}
-
-func (k *keyMap) ShortHelp() []key.Binding {
-	return []key.Binding{
-		k.Exit,
-		k.Help,
-	}
-}
-
-func (k *keyMap) FullHelp() [][]key.Binding {
-	return [][]key.Binding{
-		{
-			k.Exit,
-			k.Help,
-			k.Left,
-		},
-		{
-			k.Right,
-			k.Clockwise,
-			k.CounterClockwise,
-		},
-		{
-			k.SoftDrop,
-			k.HardDrop,
-			k.Hold,
-		},
-	}
-}
diff --git a/internal/tui/menu/model.go b/internal/tui/menu/model.go
index 98eead1..d85c929 100644
--- a/internal/tui/menu/model.go
+++ b/internal/tui/menu/model.go
@@ -2,11 +2,10 @@ package menu
 
 import (
 	"fmt"
-	"strconv"
 
 	"github.com/Broderick-Westrope/tetrigo/internal/tui/common"
-	"github.com/Broderick-Westrope/tetrigo/internal/tui/components/hpicker"
-	"github.com/Broderick-Westrope/tetrigo/internal/tui/components/textinput"
+	"github.com/Broderick-Westrope/tetrigo/internal/tui/common/components/hpicker"
+	"github.com/Broderick-Westrope/tetrigo/internal/tui/common/components/textinput"
 	"github.com/charmbracelet/bubbles/help"
 	"github.com/charmbracelet/bubbles/key"
 	tea "github.com/charmbracelet/bubbletea"
@@ -40,16 +39,18 @@ type item struct {
 
 func NewModel(_ *common.MenuInput) *Model {
 	nameInput := textinput.NewModel("Enter your name", 20, 20)
-	modePicker := hpicker.NewModel([]string{"Marathon"})
-	playersPicker := hpicker.NewModel(nil, hpicker.WithRange(1, 1))
+	modePicker := hpicker.NewModel([]hpicker.KeyValuePair{
+		{Key: "Marathon", Value: common.ModeMarathon},
+		// {Key: "Sprint (40 Lines)", Value: "sprint"},
+		{Key: "Ultra (Time Trial)", Value: common.ModeUltra},
+	})
 	levelPicker := hpicker.NewModel(nil, hpicker.WithRange(1, 15))
 
 	return &Model{
 		items: []item{
 			{label: "Name", model: nameInput, hideLabel: true},
 			{label: "Mode", model: modePicker},
-			{label: "Players", model: playersPicker},
-			{label: "Level", model: levelPicker},
+			{label: "Starting Level", model: levelPicker},
 		},
 		selected: 0,
 
@@ -118,8 +119,8 @@ func (m Model) renderItem(index int) string {
 	i := m.items[index]
 	output := i.model.View()
 	if !i.hideLabel {
-		label := lipgloss.NewStyle().Width(12).AlignHorizontal(lipgloss.Left).Render(i.label + ":")
-		output = lipgloss.NewStyle().Width(12).AlignHorizontal(lipgloss.Right).Render(output)
+		label := lipgloss.NewStyle().Width(15).AlignHorizontal(lipgloss.Left).Render(i.label + ":")
+		output = lipgloss.NewStyle().Width(25).AlignHorizontal(lipgloss.Right).Render(output)
 		output = lipgloss.JoinHorizontal(lipgloss.Left, label, output)
 	}
 
@@ -131,29 +132,33 @@ func (m Model) renderItem(index int) string {
 }
 
 func (m Model) startGame() (tea.Cmd, error) {
-	var level uint
-	var players uint
-	var mode string
+	var level int
+	var mode common.Mode
 	var playerName string
 
+	errInvalidModel := fmt.Errorf("invalid model for item %q", m.items[m.selected].label)
+	errInvalidValue := fmt.Errorf("invalid value for model of item %q", m.items[m.selected].label)
+
 	for _, i := range m.items {
 		switch i.label {
-		case "Level":
-			value := i.model.(*hpicker.Model).GetSelection()
-			intLevel, err := strconv.Atoi(value)
-			if err != nil {
-				return nil, fmt.Errorf("failed to convert level string %q to int", value)
+		case "Starting Level":
+			picker, ok := i.model.(*hpicker.Model)
+			if !ok {
+				return nil, errInvalidModel
 			}
-			level = uint(intLevel)
-		case "Players":
-			value := i.model.(*hpicker.Model).GetSelection()
-			intPlayers, err := strconv.Atoi(value)
-			if err != nil {
-				return nil, fmt.Errorf("failed to convert players string %q to int", value)
+			level, ok = picker.GetSelection().Value.(int)
+			if !ok {
+				return nil, errInvalidValue
 			}
-			players = uint(intPlayers)
 		case "Mode":
-			mode = i.model.(*hpicker.Model).GetSelection()
+			picker, ok := i.model.(*hpicker.Model)
+			if !ok {
+				return nil, errInvalidModel
+			}
+			mode, ok = picker.GetSelection().Value.(common.Mode)
+			if !ok {
+				return nil, errInvalidValue
+			}
 		case "Name":
 			playerName = i.model.(textinput.Model).Child.Value()
 		default:
@@ -161,14 +166,16 @@ func (m Model) startGame() (tea.Cmd, error) {
 		}
 	}
 
-	// TODO: use players
-	_ = players
-
 	switch mode {
-	case "Marathon":
-		in := common.NewMarathonInput(level, playerName)
-		return common.SwitchModeCmd(common.ModeMarathon, in), nil
+	case common.ModeMarathon:
+		in := common.NewSingleInput(mode, level, playerName)
+		return common.SwitchModeCmd(mode, in), nil
+	case common.ModeUltra:
+		in := common.NewSingleInput(mode, level, playerName)
+		return common.SwitchModeCmd(mode, in), nil
+	case common.ModeMenu, common.ModeLeaderboard:
+		return nil, fmt.Errorf("invalid mode for starting game: %q", mode)
 	default:
-		return nil, fmt.Errorf("invalid mode: %q", mode)
+		return nil, fmt.Errorf("invalid mode from menu: %q", mode)
 	}
 }
diff --git a/internal/tui/marathon/model.go b/internal/tui/single/model.go
similarity index 73%
rename from internal/tui/marathon/model.go
rename to internal/tui/single/model.go
index 8defb32..c0aa1db 100644
--- a/internal/tui/marathon/model.go
+++ b/internal/tui/single/model.go
@@ -1,4 +1,4 @@
-package marathon
+package single
 
 import (
 	"fmt"
@@ -8,71 +8,96 @@ import (
 	"github.com/Broderick-Westrope/tetrigo/internal/config"
 	"github.com/Broderick-Westrope/tetrigo/internal/data"
 	"github.com/Broderick-Westrope/tetrigo/internal/tui/common"
+	"github.com/Broderick-Westrope/tetrigo/internal/tui/game"
 	"github.com/Broderick-Westrope/tetrigo/pkg/tetris"
-	"github.com/Broderick-Westrope/tetrigo/pkg/tetris/modes/marathon"
+	"github.com/Broderick-Westrope/tetrigo/pkg/tetris/modes/single"
 	"github.com/charmbracelet/bubbles/help"
 	"github.com/charmbracelet/bubbles/key"
 	"github.com/charmbracelet/bubbles/stopwatch"
+	"github.com/charmbracelet/bubbles/timer"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
 )
 
-const (
-	pausedMsg = `    ____                            __
-   / __ \____ ___  __________  ____/ /
-  / /_/ / __ ^/ / / / ___/ _ \/ __  /
- / ____/ /_/ / /_/ (__  )  __/ /_/ /
-/_/    \__,_/\__,_/____/\___/\__,_/
-Press PAUSE to continue or HOLD to exit.`
-
-	gameOverMsg = `   ______                        ____                 
-  / ____/___ _____ ___  ___     / __ \_   _____  _____
- / / __/ __ ^/ __ ^__ \/ _ \   / / / / | / / _ \/ ___/
-/ /_/ / /_/ / / / / / /  __/  / /_/ /| |/ /  __/ /
-\____/\__,_/_/ /_/ /_/\___/   \____/ |___/\___/_/
-		Press EXIT or HOLD to continue.`
-)
-
 var _ tea.Model = &Model{}
 
 type Model struct {
 	playerName      string
-	styles          *Styles
-	help            help.Model
-	keys            *keyMap
-	timerStopwatch  stopwatch.Model
-	isPaused        bool
-	fallStopwatch   stopwatch.Model
-	game            *marathon.Game
-	isGameOver      bool
+	game            *single.Game
 	nextQueueLength int
-}
+	fallStopwatch   stopwatch.Model
+	mode            common.Mode
 
-func NewModel(in *common.MarathonInput, cfg *config.Config) (*Model, error) {
-	game, err := marathon.NewGame(in.Level, cfg.MaxLevel, cfg.EndOnMaxLevel, cfg.GhostEnabled)
-	if err != nil {
-		return nil, fmt.Errorf("failed to create marathon game: %w", err)
-	}
+	useTimer      bool
+	gameTimer     timer.Model
+	gameStopwatch stopwatch.Model
+
+	styles   *game.Styles
+	help     help.Model
+	keys     *game.KeyMap
+	isPaused bool
+}
 
+func NewModel(in *common.SingleInput, cfg *config.Config) (*Model, error) {
+	// Setup initial model
 	m := &Model{
 		playerName:      in.PlayerName,
-		styles:          CreateStyles(cfg.Theme),
+		styles:          game.CreateStyles(cfg.Theme),
 		help:            help.New(),
-		keys:            constructKeyMap(cfg.Keys),
-		timerStopwatch:  stopwatch.NewWithInterval(time.Millisecond * 3),
+		keys:            game.ConstructKeyMap(cfg.Keys),
 		isPaused:        false,
-		game:            game,
 		nextQueueLength: cfg.NextQueueLength,
+		mode:            in.Mode,
+	}
+
+	// Get game input
+	var gameIn *single.Input
+	switch in.Mode {
+	case common.ModeMarathon:
+		gameIn = &single.Input{
+			Level:         in.Level,
+			MaxLevel:      cfg.MaxLevel,
+			IncreaseLevel: true,
+			EndOnMaxLevel: cfg.EndOnMaxLevel,
+			GhostEnabled:  cfg.GhostEnabled,
+		}
+		m.gameStopwatch = stopwatch.NewWithInterval(time.Millisecond * 13)
+	case common.ModeUltra:
+		gameIn = &single.Input{
+			Level:        in.Level,
+			GhostEnabled: cfg.GhostEnabled,
+		}
+		m.useTimer = true
+		m.gameTimer = timer.NewWithInterval(time.Minute*2, time.Millisecond*13)
+	case common.ModeMenu, common.ModeLeaderboard:
+		return nil, fmt.Errorf("invalid single player game mode: %v", in.Mode)
+	default:
+		return nil, fmt.Errorf("invalid single player game mode: %v", in.Mode)
+	}
+
+	// Create game
+	var err error
+	m.game, err = single.NewGame(gameIn)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create single player game: %w", err)
 	}
-	m.fallStopwatch = stopwatch.NewWithInterval(m.game.GetDefaultFallInterval())
 
-	m.styles = CreateStyles(cfg.Theme)
+	// Setup game dependents
+	m.fallStopwatch = stopwatch.NewWithInterval(m.game.GetDefaultFallInterval())
 
 	return m, nil
 }
 
 func (m *Model) Init() tea.Cmd {
-	return tea.Batch(m.fallStopwatch.Init(), m.timerStopwatch.Init())
+	var cmd tea.Cmd
+	switch m.useTimer {
+	case true:
+		cmd = m.gameTimer.Init()
+	default:
+		cmd = m.gameStopwatch.Init()
+	}
+
+	return tea.Batch(m.fallStopwatch.Init(), cmd)
 }
 
 func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
@@ -121,7 +146,12 @@ func (m *Model) dependenciesUpdate(msg tea.Msg) (*Model, tea.Cmd) {
 	var cmd tea.Cmd
 	var cmds []tea.Cmd
 
-	m.timerStopwatch, cmd = m.timerStopwatch.Update(msg)
+	switch m.useTimer {
+	case true:
+		m.gameTimer, cmd = m.gameTimer.Update(msg)
+	default:
+		m.gameStopwatch, cmd = m.gameStopwatch.Update(msg)
+	}
 	cmds = append(cmds, cmd)
 
 	m.fallStopwatch, cmd = m.fallStopwatch.Update(msg)
@@ -133,17 +163,17 @@ func (m *Model) dependenciesUpdate(msg tea.Msg) (*Model, tea.Cmd) {
 func (m *Model) gameOverUpdate(msg tea.Msg) (*Model, tea.Cmd) {
 	if msg, ok := msg.(tea.KeyMsg); ok {
 		if key.Matches(msg, m.keys.Exit, m.keys.Hold) {
+			modeStr := m.mode.String()
 			newEntry := &data.Score{
-				GameMode: "marathon",
+				GameMode: modeStr,
 				Name:     m.playerName,
-				Time:     m.timerStopwatch.Elapsed(),
-				Score:    int(m.game.GetTotalScore()),
-				Lines:    int(m.game.GetLinesCleared()),
-				Level:    int(m.game.GetLevel()),
+				Score:    m.game.GetTotalScore(),
+				Lines:    m.game.GetLinesCleared(),
+				Level:    m.game.GetLevel(),
 			}
 
 			return m, common.SwitchModeCmd(common.ModeLeaderboard,
-				common.NewLeaderboardInput("marathon", common.WithNewEntry(newEntry)),
+				common.NewLeaderboardInput(modeStr, common.WithNewEntry(newEntry)),
 			)
 		}
 	}
@@ -182,6 +212,11 @@ func (m *Model) playingUpdate(msg tea.Msg) (*Model, tea.Cmd) {
 			cmds = append(cmds, m.triggerGameOver())
 		}
 		return m, tea.Batch(cmds...)
+	case timer.TimeoutMsg:
+		if msg.ID != m.gameTimer.ID() {
+			break
+		}
+		return m, m.triggerGameOver()
 	}
 
 	return m, nil
@@ -248,11 +283,9 @@ func (m *Model) View() string {
 	)
 
 	if m.game.IsGameOver() {
-		output = common.PlaceOverlayCenter(gameOverMsg, output)
-	}
-
-	if m.isPaused {
-		output = common.PlaceOverlayCenter(pausedMsg, output)
+		output = common.OverlayGameOverMessage(output)
+	} else if m.isPaused {
+		output = common.OverlayPausedMessage(output)
 	}
 
 	output = lipgloss.JoinVertical(lipgloss.Left, output, m.help.View(m.keys))
@@ -305,15 +338,22 @@ func (m *Model) informationView() string {
 		return fmt.Sprintf("%s%*s\n", title, width-(1+len(title)), value)
 	}
 
-	elapsed := m.timerStopwatch.Elapsed().Seconds()
-	minutes := int(elapsed) / 60
+	var gameTime float64
+	switch m.useTimer {
+	case true:
+		gameTime = m.gameTimer.Timeout.Seconds()
+	default:
+		gameTime = m.gameStopwatch.Elapsed().Seconds()
+	}
+
+	minutes := int(gameTime) / 60
 
 	var timeStr string
 	if minutes > 0 {
-		seconds := int(elapsed) % 60
+		seconds := int(gameTime) % 60
 		timeStr += fmt.Sprintf("%02d:%02d", minutes, seconds)
 	} else {
-		timeStr += fmt.Sprintf("%06.3f", elapsed)
+		timeStr += fmt.Sprintf("%06.3f", gameTime)
 	}
 
 	var output string
@@ -321,8 +361,8 @@ func (m *Model) informationView() string {
 	output += fmt.Sprintf("%*d\n", width-1, m.game.GetTotalScore())
 	output += fmt.Sprintln("Time:")
 	output += fmt.Sprintf("%*s\n", width-1, timeStr)
-	output += toFixedWidth("Lines:", strconv.Itoa(int(m.game.GetLinesCleared())))
-	output += toFixedWidth("Level:", strconv.Itoa(int(m.game.GetLevel())))
+	output += toFixedWidth("Lines:", strconv.Itoa(m.game.GetLinesCleared()))
+	output += toFixedWidth("Level:", strconv.Itoa(m.game.GetLevel()))
 
 	return m.styles.Information.Render(lipgloss.JoinVertical(lipgloss.Left, header, output))
 }
@@ -378,10 +418,15 @@ func (m *Model) renderCell(cell byte) string {
 }
 
 func (m *Model) triggerGameOver() tea.Cmd {
-	m.isGameOver = true
+	m.game.EndGame()
 	m.isPaused = false
+
+	if m.useTimer {
+		m.gameTimer.Timeout = 0
+	}
+
 	var cmds []tea.Cmd
-	cmds = append(cmds, m.timerStopwatch.Stop())
+	cmds = append(cmds, m.gameTimer.Stop())
 	cmds = append(cmds, m.fallStopwatch.Stop())
 	return tea.Batch(cmds...)
 }
@@ -390,6 +435,6 @@ func (m *Model) togglePause() tea.Cmd {
 	m.isPaused = !m.isPaused
 	return tea.Batch(
 		m.fallStopwatch.Toggle(),
-		m.timerStopwatch.Toggle(),
+		m.gameTimer.Toggle(),
 	)
 }
diff --git a/internal/tui/starter/model.go b/internal/tui/starter/model.go
index 6656471..1843320 100644
--- a/internal/tui/starter/model.go
+++ b/internal/tui/starter/model.go
@@ -8,8 +8,8 @@ import (
 	"github.com/Broderick-Westrope/tetrigo/internal/config"
 	"github.com/Broderick-Westrope/tetrigo/internal/tui/common"
 	"github.com/Broderick-Westrope/tetrigo/internal/tui/leaderboard"
-	"github.com/Broderick-Westrope/tetrigo/internal/tui/marathon"
 	"github.com/Broderick-Westrope/tetrigo/internal/tui/menu"
+	"github.com/Broderick-Westrope/tetrigo/internal/tui/single"
 	"github.com/charmbracelet/bubbles/key"
 	tea "github.com/charmbracelet/bubbletea"
 )
@@ -107,12 +107,12 @@ func (m *Model) setChild(mode common.Mode, switchIn common.SwitchModeInput) erro
 			return ErrInvalidSwitchModeInput
 		}
 		m.child = menu.NewModel(menuIn)
-	case common.ModeMarathon:
-		marathonIn, ok := switchIn.(*common.MarathonInput)
+	case common.ModeMarathon, common.ModeUltra:
+		ultraIn, ok := switchIn.(*common.SingleInput)
 		if !ok {
 			return ErrInvalidSwitchModeInput
 		}
-		child, err := marathon.NewModel(marathonIn, m.cfg)
+		child, err := single.NewModel(ultraIn, m.cfg)
 		if err != nil {
 			return err
 		}
diff --git a/pkg/tetris/fall.go b/pkg/tetris/fall.go
index 44310d8..75d4f61 100644
--- a/pkg/tetris/fall.go
+++ b/pkg/tetris/fall.go
@@ -11,13 +11,13 @@ type Fall struct {
 	IsSoftDrop       bool
 }
 
-func NewFall(level uint) *Fall {
+func NewFall(level int) *Fall {
 	f := Fall{}
 	f.CalculateFallSpeeds(level)
 	return &f
 }
 
-func (f *Fall) CalculateFallSpeeds(level uint) {
+func (f *Fall) CalculateFallSpeeds(level int) {
 	decrementedLevel := float64(level - 1)
 	speed := math.Pow(0.8-(decrementedLevel*0.007), decrementedLevel)
 	speed *= float64(time.Second)
diff --git a/pkg/tetris/matrix.go b/pkg/tetris/matrix.go
index 0b03ed4..072171b 100644
--- a/pkg/tetris/matrix.go
+++ b/pkg/tetris/matrix.go
@@ -17,7 +17,7 @@ func DefaultMatrix() Matrix {
 }
 
 // NewMatrix creates a new Matrix with the given height and width.
-func NewMatrix(height, width uint) (Matrix, error) {
+func NewMatrix(height, width int) (Matrix, error) {
 	if height <= 20 {
 		return nil, errors.New("matrix height must be greater than 20 to allow for a buffer zone of 20 lines")
 	}
diff --git a/pkg/tetris/matrix_test.go b/pkg/tetris/matrix_test.go
index 87f53df..240ee2d 100644
--- a/pkg/tetris/matrix_test.go
+++ b/pkg/tetris/matrix_test.go
@@ -12,8 +12,8 @@ import (
 
 func Test_NewMatrix(t *testing.T) {
 	tt := map[string]struct {
-		width   uint
-		height  uint
+		width   int
+		height  int
 		want    Matrix
 		wantErr error
 	}{
diff --git a/pkg/tetris/modes/marathon/getters.go b/pkg/tetris/modes/single/getters.go
similarity index 86%
rename from pkg/tetris/modes/marathon/getters.go
rename to pkg/tetris/modes/single/getters.go
index f3efb05..acd8dd6 100644
--- a/pkg/tetris/modes/marathon/getters.go
+++ b/pkg/tetris/modes/single/getters.go
@@ -1,4 +1,4 @@
-package marathon
+package single
 
 import (
 	"time"
@@ -35,15 +35,15 @@ func (g *Game) GetHoldTetrimino() *tetris.Tetrimino {
 	return g.holdQueue
 }
 
-func (g *Game) GetTotalScore() uint {
+func (g *Game) GetTotalScore() int {
 	return g.scoring.Total()
 }
 
-func (g *Game) GetLevel() uint {
+func (g *Game) GetLevel() int {
 	return g.scoring.Level()
 }
 
-func (g *Game) GetLinesCleared() uint {
+func (g *Game) GetLinesCleared() int {
 	return g.scoring.Lines()
 }
 
diff --git a/pkg/tetris/modes/marathon/marathon.go b/pkg/tetris/modes/single/single.go
similarity index 82%
rename from pkg/tetris/modes/marathon/marathon.go
rename to pkg/tetris/modes/single/single.go
index 2212a54..4e1026d 100644
--- a/pkg/tetris/modes/marathon/marathon.go
+++ b/pkg/tetris/modes/single/single.go
@@ -1,4 +1,4 @@
-package marathon
+package single
 
 import (
 	"errors"
@@ -8,6 +8,8 @@ import (
 	"github.com/Broderick-Westrope/tetrigo/pkg/tetris"
 )
 
+// Game represents a single player game of Tetris.
+// This can be used for Marathon, Sprint, Ultra and other single player modes.
 type Game struct {
 	matrix           tetris.Matrix     // The Matrix of cells on which the game is played
 	nextQueue        *tetris.NextQueue // The queue of upcoming Tetriminos
@@ -21,13 +23,32 @@ type Game struct {
 	fall             *tetris.Fall      // The system for calculating the fall speed
 }
 
-func NewGame(level, maxLevel uint, endOnMaxLevel bool, ghostEnabled bool) (*Game, error) {
+type Input struct {
+	Level         int  // The starting level of the game.
+	MaxLevel      int  // The maximum level the game can reach. 0 means no limit.
+	IncreaseLevel bool // Whether the level should increase as the game progresses.
+	EndOnMaxLevel bool // Whether the game should end when the maximum level is reached.
+
+	MaxLines      int  // The maximum number of lines to clear before the game ends. 0 means no limit.
+	EndOnMaxLines bool // Whether the game should end when the maximum number of lines is cleared.
+
+	GhostEnabled bool // Whether the ghost Tetrimino should be displayed.
+}
+
+func NewGame(in *Input) (*Game, error) {
 	matrix, err := tetris.NewMatrix(40, 10)
 	if err != nil {
 		return nil, err
 	}
 	nq := tetris.NewNextQueue(matrix.GetSkyline())
 
+	scoring, err := tetris.NewScoring(
+		in.Level, in.MaxLevel, in.IncreaseLevel, in.EndOnMaxLevel, in.MaxLines, in.EndOnMaxLines,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create scoring system: %w", err)
+	}
+
 	g := &Game{
 		matrix:           matrix,
 		nextQueue:        nq,
@@ -35,11 +56,11 @@ func NewGame(level, maxLevel uint, endOnMaxLevel bool, ghostEnabled bool) (*Game
 		holdQueue:        tetris.GetEmptyTetrimino(),
 		gameOver:         false,
 		softDropStartRow: matrix.GetHeight(),
-		scoring:          tetris.NewScoring(level, maxLevel, endOnMaxLevel),
-		fall:             tetris.NewFall(level),
+		scoring:          scoring,
+		fall:             tetris.NewFall(in.Level),
 	}
 
-	if ghostEnabled {
+	if in.GhostEnabled {
 		g.ghostTet = g.tetInPlay
 	}
 
@@ -126,9 +147,37 @@ func (g *Game) TickLower() (bool, error) {
 	if g.fall.IsSoftDrop {
 		linesCleared := g.tetInPlay.Pos.Y - g.softDropStartRow
 		if linesCleared > 0 {
-			g.scoring.AddSoftDrop(uint(linesCleared))
+			g.scoring.AddSoftDrop(linesCleared)
+		}
+	}
+
+	g.tetInPlay = g.nextQueue.Next()
+	gameOver := g.setupNewTetInPlay()
+	if gameOver {
+		g.gameOver = gameOver
+	}
+
+	return gameOver, nil
+}
+
+func (g *Game) HardDrop() (bool, error) {
+	startRow := g.tetInPlay.Pos.Y
+
+	for {
+		lockedDown, err := g.lowerTetInPlay()
+		if err != nil {
+			return false, fmt.Errorf("failed to lower tetrimino (hard drop): %w", err)
+		}
+		if lockedDown {
+			break
 		}
 	}
+	if g.gameOver {
+		return true, nil
+	}
+
+	linesCleared := g.tetInPlay.Pos.Y - startRow
+	g.scoring.AddHardDrop(linesCleared)
 
 	g.tetInPlay = g.nextQueue.Next()
 	gameOver := g.setupNewTetInPlay()
@@ -139,6 +188,28 @@ func (g *Game) TickLower() (bool, error) {
 	return gameOver, nil
 }
 
+// ToggleSoftDrop toggles the Soft Drop state of the game.
+// If Soft Drop is enabled, the game will calculate the number of lines cleared and add them to the score.
+// The time interval for the Fall system is returned.
+func (g *Game) ToggleSoftDrop() time.Duration {
+	g.fall.ToggleSoftDrop()
+	if g.fall.IsSoftDrop {
+		g.softDropStartRow = g.tetInPlay.Pos.Y
+		return g.fall.SoftDropInterval
+	}
+	linesCleared := g.tetInPlay.Pos.Y - g.softDropStartRow
+	if linesCleared > 0 {
+		g.scoring.AddSoftDrop(linesCleared)
+	}
+	g.softDropStartRow = g.matrix.GetSkyline()
+	return g.fall.DefaultInterval
+}
+
+// EndGame sets Game.gameOver to true.
+func (g *Game) EndGame() {
+	g.gameOver = true
+}
+
 // lowerTetInPlay moves the current Tetrimino down one row if possible.
 // If it cannot be moved down this will instead remove completed lines, calculate scores and
 // fall speed and return true (representing a Lock Down).
@@ -204,51 +275,6 @@ func (g *Game) setupNewTetInPlay() bool {
 	return false
 }
 
-func (g *Game) HardDrop() (bool, error) {
-	startRow := g.tetInPlay.Pos.Y
-
-	for {
-		lockedDown, err := g.lowerTetInPlay()
-		if err != nil {
-			return false, fmt.Errorf("failed to lower tetrimino (hard drop): %w", err)
-		}
-		if lockedDown {
-			break
-		}
-	}
-	if g.gameOver {
-		return true, nil
-	}
-
-	linesCleared := g.tetInPlay.Pos.Y - startRow
-	g.scoring.AddHardDrop(uint(linesCleared))
-
-	g.tetInPlay = g.nextQueue.Next()
-	gameOver := g.setupNewTetInPlay()
-	if gameOver {
-		g.gameOver = gameOver
-	}
-
-	return gameOver, nil
-}
-
-// ToggleSoftDrop toggles the Soft Drop state of the game.
-// If Soft Drop is enabled, the game will calculate the number of lines cleared and add them to the score.
-// The time interval for the Fall system is returned.
-func (g *Game) ToggleSoftDrop() time.Duration {
-	g.fall.ToggleSoftDrop()
-	if g.fall.IsSoftDrop {
-		g.softDropStartRow = g.tetInPlay.Pos.Y
-		return g.fall.SoftDropInterval
-	}
-	linesCleared := g.tetInPlay.Pos.Y - g.softDropStartRow
-	if linesCleared > 0 {
-		g.scoring.AddSoftDrop(uint(linesCleared))
-	}
-	g.softDropStartRow = g.matrix.GetSkyline()
-	return g.fall.DefaultInterval
-}
-
 func (g *Game) updateGhost() {
 	if g.ghostTet == nil {
 		return
diff --git a/pkg/tetris/scoring.go b/pkg/tetris/scoring.go
index ed24aca..8e381dd 100644
--- a/pkg/tetris/scoring.go
+++ b/pkg/tetris/scoring.go
@@ -1,45 +1,79 @@
 package tetris
 
+import (
+	"fmt"
+)
+
 type Scoring struct {
-	level         uint
-	maxLevel      uint
+	level         int
+	maxLevel      int
+	increaseLevel bool
 	endOnMaxLevel bool
-	total         uint
-	lines         uint
-	backToBack    bool
+
+	lines         int
+	maxLines      int
+	endOnMaxLines bool
+
+	total      int
+	backToBack bool
 }
 
-func NewScoring(level, maxLevel uint, endOnMaxLevel bool) *Scoring {
-	return &Scoring{
+func NewScoring(
+	level, maxLevel int,
+	increaseLevel, endOnMaxLevel bool,
+	maxLines int,
+	endOnMaxLines bool) (*Scoring, error) {
+	s := &Scoring{
 		level:         level,
 		maxLevel:      maxLevel,
+		increaseLevel: increaseLevel,
 		endOnMaxLevel: endOnMaxLevel,
+
+		maxLines:      maxLines,
+		endOnMaxLines: endOnMaxLines,
+	}
+	return s, s.validate()
+}
+
+func (s *Scoring) validate() error {
+	if s.level <= 0 {
+		return fmt.Errorf("invalid level '%d'", s.level)
+	}
+	if s.maxLevel < 0 {
+		return fmt.Errorf("invalid max level '%d'", s.maxLevel)
+	}
+	if s.maxLines < 0 {
+		return fmt.Errorf("invalid max lines '%d'", s.maxLines)
+	}
+	if s.total < 0 {
+		return fmt.Errorf("invalid total '%d'", s.total)
 	}
+	return nil
 }
 
-func (s *Scoring) Level() uint {
+func (s *Scoring) Level() int {
 	return s.level
 }
 
-func (s *Scoring) Total() uint {
+func (s *Scoring) Total() int {
 	return s.total
 }
 
-func (s *Scoring) Lines() uint {
+func (s *Scoring) Lines() int {
 	return s.lines
 }
 
-func (s *Scoring) AddSoftDrop(lines uint) {
+func (s *Scoring) AddSoftDrop(lines int) {
 	s.total += lines
 }
 
-func (s *Scoring) AddHardDrop(lines uint) {
+func (s *Scoring) AddHardDrop(lines int) {
 	s.total += lines * 2
 }
 
 func (s *Scoring) ProcessAction(a Action) (bool, error) {
 	if a == Actions.None {
-		return s.isGameOver(), nil
+		return false, nil
 	}
 
 	points := float64(a.GetPoints())
@@ -56,23 +90,36 @@ func (s *Scoring) ProcessAction(a Action) (bool, error) {
 		s.backToBack = true
 	}
 	if err != nil {
-		return s.isGameOver(), err
+		return false, err
 	}
 
-	s.total += uint(points+backToBack) * s.level
-	s.lines += uint((points + backToBack) / 100)
+	s.total += int(points+backToBack) * s.level
 
-	for s.lines >= s.level*5 {
-		s.level++
-		if s.maxLevel > 0 && s.level >= s.maxLevel {
-			s.level = s.maxLevel
-			return s.isGameOver(), nil
+	// increase lines
+	s.lines += int((points + backToBack) / 100)
+
+	// if max lines enabled, and max lines reached
+	if s.maxLines > 0 && s.lines >= s.maxLines {
+		s.lines = s.maxLines
+
+		if s.endOnMaxLines {
+			return true, nil
 		}
 	}
 
-	return s.isGameOver(), nil
-}
+	// increase level
+	for s.increaseLevel && s.lines >= s.level*5 {
+		s.level++
+
+		// if no max level, or max level not reached
+		if s.maxLevel <= 0 || s.level < s.maxLevel {
+			continue
+		}
+
+		// if max level reached
+		s.level = s.maxLevel
+		return s.endOnMaxLevel, nil
+	}
 
-func (s *Scoring) isGameOver() bool {
-	return s.level >= s.maxLevel && s.endOnMaxLevel
+	return false, nil
 }
diff --git a/pkg/tetris/scoring_test.go b/pkg/tetris/scoring_test.go
index e4cc1ce..494a872 100644
--- a/pkg/tetris/scoring_test.go
+++ b/pkg/tetris/scoring_test.go
@@ -1,6 +1,7 @@
 package tetris
 
 import (
+	"errors"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -9,36 +10,72 @@ import (
 
 func TestNewScoring(t *testing.T) {
 	tt := map[string]struct {
-		level    uint
-		maxLevel uint
+		level         int
+		maxLevel      int
+		increaseLevel bool
+		endOnMaxLevel bool
+		maxLines      int
+		endOnMaxLines bool
+
+		wantErr error
 	}{
-		"level 1": {
-			level:    1,
-			maxLevel: 15,
+		"invalid level": {
+			level:         0,
+			maxLevel:      0,
+			increaseLevel: false,
+			endOnMaxLevel: false,
+			maxLines:      0,
+			endOnMaxLines: false,
+
+			wantErr: errors.New("invalid level '0'"),
 		},
-		"level 15": {
-			level:    15,
-			maxLevel: 15,
+
+		"0; false": {
+			level:         1,
+			maxLevel:      0,
+			increaseLevel: false,
+			endOnMaxLevel: false,
+			maxLines:      0,
+			endOnMaxLines: false,
+		},
+		"10; true": {
+			level:         10,
+			maxLevel:      10,
+			increaseLevel: true,
+			endOnMaxLevel: true,
+			maxLines:      10,
+			endOnMaxLines: true,
 		},
 	}
 
 	for name, tc := range tt {
 		t.Run(name, func(t *testing.T) {
-			s := NewScoring(tc.level, tc.maxLevel, true)
+			s, err := NewScoring(tc.level, tc.maxLevel, tc.increaseLevel, tc.endOnMaxLevel, tc.maxLines, tc.endOnMaxLines)
+
+			if tc.wantErr != nil {
+				require.EqualError(t, err, tc.wantErr.Error())
+				return
+			}
+
+			require.NoError(t, err)
 
 			assert.Equal(t, tc.level, s.level)
 			assert.Equal(t, tc.maxLevel, s.maxLevel)
-			assert.Equal(t, uint(0), s.total)
-			assert.Equal(t, uint(0), s.lines)
+			assert.Equal(t, tc.increaseLevel, s.increaseLevel)
+			assert.Equal(t, tc.endOnMaxLevel, s.endOnMaxLevel)
+			assert.Equal(t, tc.maxLines, s.maxLines)
+			assert.Equal(t, tc.endOnMaxLines, s.endOnMaxLines)
+
+			assert.Equal(t, 0, s.total)
+			assert.Equal(t, 0, s.lines)
 			assert.False(t, s.backToBack)
-			assert.True(t, s.endOnMaxLevel)
 		})
 	}
 }
 
 func TestScoring_Level(t *testing.T) {
 	tt := map[string]struct {
-		level uint
+		level int
 	}{
 		"level 1": {
 			level: 1,
@@ -61,7 +98,7 @@ func TestScoring_Level(t *testing.T) {
 
 func TestScoring_Total(t *testing.T) {
 	tt := map[string]struct {
-		total uint
+		total int
 	}{
 		"total 0": {
 			total: 0,
@@ -84,7 +121,7 @@ func TestScoring_Total(t *testing.T) {
 
 func TestScoring_Lines(t *testing.T) {
 	tt := map[string]struct {
-		lines uint
+		lines int
 	}{
 		"lines 0": {
 			lines: 0,
@@ -107,7 +144,7 @@ func TestScoring_Lines(t *testing.T) {
 
 func TestScoring_AddSoftDrop(t *testing.T) {
 	tt := map[string]struct {
-		lines uint
+		lines int
 	}{
 		"0 lines": {
 			lines: 0,
@@ -135,7 +172,7 @@ func TestScoring_AddSoftDrop(t *testing.T) {
 
 func TestScoring_AddHardDrop(t *testing.T) {
 	tt := map[string]struct {
-		lines uint
+		lines int
 	}{
 		"0 lines": {
 			lines: 0,
@@ -166,8 +203,8 @@ func TestScoring_ProcessAction(t *testing.T) {
 	tt := map[string]struct {
 		a                  Action
 		isBackToBack       bool
-		maxLevel           uint
-		expectedTotal      uint
+		maxLevel           int
+		expectedTotal      int
 		expectedBackToBack bool
 	}{
 		// Back-to-back disabled
@@ -338,11 +375,17 @@ func TestScoring_ProcessAction(t *testing.T) {
 	for name, tc := range tt {
 		t.Run(name, func(t *testing.T) {
 			s := &Scoring{
-				backToBack: tc.isBackToBack,
+				level:         1,
+				maxLevel:      tc.maxLevel,
+				increaseLevel: true,
+				endOnMaxLevel: false,
+
+				lines:         0,
+				maxLines:      0,
+				endOnMaxLines: false,
+
 				total:      0,
-				lines:      0,
-				level:      1,
-				maxLevel:   tc.maxLevel,
+				backToBack: tc.isBackToBack,
 			}
 
 			// TODO: check gameOver (from endsOnMaxLevel)
@@ -356,7 +399,7 @@ func TestScoring_ProcessAction(t *testing.T) {
 			expectedLines := tc.expectedTotal / 100
 			assert.Equal(t, expectedLines, s.lines)
 
-			var expectedLevel uint
+			var expectedLevel int
 			if tc.maxLevel == 0 {
 				expectedLevel = 1 + (expectedLines / 5)
 			} else {