diff --git a/src/adagrams.js b/src/adagrams.js
index 7ec5afc7..2cfd29cc 100644
--- a/src/adagrams.js
+++ b/src/adagrams.js
@@ -1,15 +1,190 @@
 export const drawLetters = () => {
+
   // Implement this method for wave 1
+
+  // Create empty array for pool of letters
+  const letterPool = [];
+
+  // Create object to hold letter counts
+  const letterCounts = {
+    'A': 9, 
+    'B': 2, 
+    'C': 2, 
+    'D': 4, 
+    'E': 12, 
+    'F': 2, 
+    'G': 3, 
+    'H': 2, 
+    'I': 9, 
+    'J': 1, 
+    'K': 1, 
+    'L': 4, 
+    'M': 2, 
+    'N': 6, 
+    'O': 8, 
+    'P': 2, 
+    'Q': 1, 
+    'R': 6, 
+    'S': 4, 
+    'T': 6, 
+    'U': 4, 
+    'V': 2, 
+    'W': 2, 
+    'X': 1, 
+    'Y': 2, 
+    'Z': 1
+  }
+  
+  // Populate letterPool with correct number of each letter
+  for (let [key,value] of Object.entries(letterCounts)) {
+    for (let i = 0; i < value; ++i) {
+      letterPool.push(key);
+    }
+  }
+
+  // Shuffle the letterPool and return selection of 10 letters
+  const shuffle = function (letterPool) {
+    letterPool.sort(() => Math.random() - 0.5);
+  }
+  
+  shuffle(letterPool);
+  const letterPoolSelection = letterPool.slice(0, 10);
+  return letterPoolSelection;
 };
 
 export const usesAvailableLetters = (input, lettersInHand) => {
+
   // Implement this method for wave 2
+  
+  let word = input.toUpperCase();
+
+  // Create object of letter frequency for lettersInHand
+  const letterBankCount = {}
+
+  for (const letter of lettersInHand) {
+    if (letter in letterBankCount) {
+      letterBankCount[letter] += 1;
+    } else {
+      letterBankCount[letter] = 1;
+    }
+  }
+
+  // Create object of letter frequency for word
+  const wordCount = {}
+
+  for (const letter of word) {
+    if (letter in wordCount) {
+      wordCount[letter] += 1;
+    } else {
+      wordCount[letter] = 1;
+    }
+  }
+
+  // Check that word letter frequency complies with lettersInHand
+  for (const key in wordCount) {
+    if (!(key in letterBankCount)) {
+      return false;
+    } 
+    if (wordCount[key] > letterBankCount[key]) {
+      return false;
+    } 
+  }
+  return true;
 };
 
 export const scoreWord = (word) => {
+
   // Implement this method for wave 3
+  if (word === '') {
+    return 0;
+  }
+  
+  word = word.toUpperCase();
+
+  let points = 0;
+
+  // Create object to hold scoreChart
+  const scoreChart = {
+    'A': 1, 
+    'B': 3, 
+    'C': 3, 
+    'D': 2, 
+    'E': 1, 
+    'F': 4, 
+    'G': 2, 
+    'H': 4, 
+    'I': 1, 
+    'J': 8, 
+    'K': 5, 
+    'L': 1, 
+    'M': 3, 
+    'N': 1, 
+    'O': 1, 
+    'P': 3, 
+    'Q': 10, 
+    'R': 1, 
+    'S': 1, 
+    'T': 1, 
+    'U': 1, 
+    'V': 4, 
+    'W': 4, 
+    'X': 8, 
+    'Y': 4, 
+    'Z': 10
+  }
+
+  // Calculate score for each word
+  for (const letter of word) {
+    points += scoreChart[letter];
+  }
+
+  if (word.length >= 7 && word.length <= 10) {
+    points += 8;
+  }
+
+  return points;
+
 };
 
 export const highestScoreFrom = (words) => {
+
   // Implement this method for wave 4
+  
+  // Create object to hold scores
+  const scores = {};
+
+  // Populate scores with word scores
+  for (let word of words) {
+    word = word.toUpperCase();
+    if (!(word in scores)) {
+      scores[word] = scoreWord(word)
+    }
+  }
+
+  let highestScore = 0;
+  let winner;
+
+  // Determine highestScore and winner
+  for (const wordEntry in scores) {
+
+    if (scores[wordEntry] > highestScore) {
+      highestScore = scores[wordEntry];
+      winner = wordEntry;
+    } else if (scores[wordEntry] === highestScore) {
+      if (winner.length === 10) {
+        break;
+      } else if (wordEntry.length === 10 || wordEntry.length < winner.length) {
+        winner = wordEntry;
+      }
+    }
+  }
+
+  // Create winner object
+  const winningObject = {
+    "word": winner,
+    "score": scores[winner],
+  }
+
+  return winningObject;
+
 };
diff --git a/test/adagrams.test.js b/test/adagrams.test.js
index 1a0dc94e..9c38913f 100644
--- a/test/adagrams.test.js
+++ b/test/adagrams.test.js
@@ -120,7 +120,9 @@ describe("Adagrams", () => {
     });
 
     it("returns a score of 0 if given an empty input", () => {
-      throw "Complete test";
+      expectScores({
+        '': 0,
+      });
     });
 
     it("adds an extra 8 points if word is 7 or more characters long", () => {
@@ -133,7 +135,7 @@ describe("Adagrams", () => {
     });
   });
 
-  describe.skip("highestScoreFrom", () => {
+  describe("highestScoreFrom", () => {
     it("returns a hash that contains the word and score of best word in an array", () => {
       const words = ["X", "XX", "XXX", "XXXX"];
       const correct = { word: "XXXX", score: scoreWord("XXXX") };
@@ -145,7 +147,7 @@ describe("Adagrams", () => {
       const words = ["XXX", "XXXX", "X", "XX"];
       const correct = { word: "XXXX", score: scoreWord("XXXX") };
 
-      throw "Complete test by adding an assertion";
+      expect(highestScoreFrom(words)).toEqual(correct);
     });
 
     describe("in case of tied score", () => {
diff --git a/test/demo/model.test.js b/test/demo/model.test.js
index 49bf9599..52ae8d23 100644
--- a/test/demo/model.test.js
+++ b/test/demo/model.test.js
@@ -1,7 +1,7 @@
 import Model from 'demo/model';
 import Adagrams from 'demo/adagrams';
 
-describe.skip('Game Model', () => {
+describe('Game Model', () => {
   const config = {
     players: [
       'Player A',