diff --git a/assignments/prototypes.js b/assignments/prototypes.js
index 5625c97cb..507253f5d 100644
--- a/assignments/prototypes.js
+++ b/assignments/prototypes.js
@@ -7,7 +7,7 @@
   
   Each constructor function has unique properties and methods that are defined in their block comments below:
 */
-  
+
 /*
   === GameObject ===
   * createdAt
@@ -16,6 +16,16 @@
   * destroy() // prototype method that returns: `${this.name} was removed from the game.`
 */
 
+function GameObject(attrs) {
+  this.createdAt = attrs.createdAt;
+  this.name = attrs.name;
+  this.dimensions = attrs.dimensions;
+}
+
+GameObject.prototype.destroy = function() {
+  return `${this.name} was removed from the game.`;
+};
+
 /*
   === CharacterStats ===
   * healthPoints
@@ -23,6 +33,17 @@
   * should inherit destroy() from GameObject's prototype
 */
 
+function CharacterStats(attrs) {
+  GameObject.call(this, attrs);
+  this.healthPoints = attrs.healthPoints;
+}
+
+CharacterStats.prototype = Object.create(GameObject.prototype);
+
+CharacterStats.prototype.takeDamage = function() {
+  return `${this.name} took damage`;
+};
+
 /*
   === Humanoid (Having an appearance or character resembling that of a human.) ===
   * team
@@ -32,79 +53,135 @@
   * should inherit destroy() from GameObject through CharacterStats
   * should inherit takeDamage() from CharacterStats
 */
- 
+
+function Humanoid(attrs) {
+  CharacterStats.call(this, attrs);
+  this.team = attrs.team;
+  this.weapons = attrs.weapons;
+  this.language = attrs.language;
+}
+
+Humanoid.prototype = Object.create(CharacterStats.prototype);
+
+Humanoid.prototype.greet = function() {
+  return `${this.name} offers a greeting in ${this.language}`;
+};
+
 /*
-  * Inheritance chain: GameObject -> CharacterStats -> Humanoid
-  * Instances of Humanoid should have all of the same properties as CharacterStats and GameObject.
-  * Instances of CharacterStats should have all of the same properties as GameObject.
-*/
+ * Inheritance chain: GameObject -> CharacterStats -> Humanoid
+ * Instances of Humanoid should have all of the same properties as CharacterStats and GameObject.
+ * Instances of CharacterStats should have all of the same properties as GameObject.
+ */
 
 // Test you work by un-commenting these 3 objects and the list of console logs below:
 
-/*
-  const mage = new Humanoid({
-    createdAt: new Date(),
-    dimensions: {
-      length: 2,
-      width: 1,
-      height: 1,
-    },
-    healthPoints: 5,
-    name: 'Bruce',
-    team: 'Mage Guild',
-    weapons: [
-      'Staff of Shamalama',
-    ],
-    language: 'Common Tongue',
-  });
-
-  const swordsman = new Humanoid({
-    createdAt: new Date(),
-    dimensions: {
-      length: 2,
-      width: 2,
-      height: 2,
-    },
-    healthPoints: 15,
-    name: 'Sir Mustachio',
-    team: 'The Round Table',
-    weapons: [
-      'Giant Sword',
-      'Shield',
-    ],
-    language: 'Common Tongue',
-  });
-
-  const archer = new Humanoid({
-    createdAt: new Date(),
-    dimensions: {
-      length: 1,
-      width: 2,
-      height: 4,
-    },
-    healthPoints: 10,
-    name: 'Lilith',
-    team: 'Forest Kingdom',
-    weapons: [
-      'Bow',
-      'Dagger',
-    ],
-    language: 'Elvish',
-  });
-
-  console.log(mage.createdAt); // Today's date
-  console.log(archer.dimensions); // { length: 1, width: 2, height: 4 }
-  console.log(swordsman.healthPoints); // 15
-  console.log(mage.name); // Bruce
-  console.log(swordsman.team); // The Round Table
-  console.log(mage.weapons); // Staff of Shamalama
-  console.log(archer.language); // Elvish
-  console.log(archer.greet()); // Lilith offers a greeting in Elvish.
-  console.log(mage.takeDamage()); // Bruce took damage.
-  console.log(swordsman.destroy()); // Sir Mustachio was removed from the game.
-*/
+const mage = new Humanoid({
+  createdAt: new Date(),
+  dimensions: {
+    length: 2,
+    width: 1,
+    height: 1,
+  },
+  healthPoints: 5,
+  name: "Bruce",
+  team: "Mage Guild",
+  weapons: ["Staff of Shamalama"],
+  language: "Common Tongue",
+});
+
+const swordsman = new Humanoid({
+  createdAt: new Date(),
+  dimensions: {
+    length: 2,
+    width: 2,
+    height: 2,
+  },
+  healthPoints: 15,
+  name: "Sir Mustachio",
+  team: "The Round Table",
+  weapons: ["Giant Sword", "Shield"],
+  language: "Common Tongue",
+});
+
+const archer = new Humanoid({
+  createdAt: new Date(),
+  dimensions: {
+    length: 1,
+    width: 2,
+    height: 4,
+  },
+  healthPoints: 10,
+  name: "Lilith",
+  team: "Forest Kingdom",
+  weapons: ["Bow", "Dagger"],
+  language: "Elvish",
+});
+
+// console.log(swordsman);
+// console.log(mage.createdAt); // Today's date
+// console.log(archer.dimensions); // { length: 1, width: 2, height: 4 }
+// console.log(swordsman.healthPoints); // 15
+// console.log(mage.name); // Bruce
+// console.log(swordsman.team); // The Round Table
+// console.log(mage.weapons); // Staff of Shamalama
+// console.log(archer.language); // Elvish
+// console.log(archer.greet()); // Lilith offers a greeting in Elvish.
+// console.log(mage.takeDamage()); // Bruce took damage.
+// console.log(swordsman.destroy()); // Sir Mustachio was removed from the game.
+
+// Stretch task:
+// * Create Villain and hero constructor functions that inherit from the Humanoid constructor function.
+// * Give the hero and Villains different methods that could be used to remove health points from objects which could result in destruction if health gets to 0 or drops below 0;
+// * Create two new objects, one a villain and one a hero and fight it out with methods!
+
+function Villain(attrs) {
+  Humanoid.call(this, attrs);
+  this.speciaWeapon = attrs.speciaWeapon;
+}
+
+Villain.prototype = Object.create(Humanoid.prototype);
+Villain.prototype.kryptonite = function(hero) {
+  hero.healthPoints = hero.healthPoints - 2;
+  if (hero.healthPoints <= 0) {
+    return `${this.name} uses ${this.speciaWeapon} and ${hero.destroy()}`;
+  } else {
+    return `${this.name} cast kryptonite ${hero.healthPoints} hp left`;
+  }
+};
+
+const vill = new Villain({
+  healthPoints: 12,
+  name: "xor",
+  speciaWeapon: "fire",
+});
+
+console.log(vill);
+
+function Hero(attrs) {
+  Humanoid.call(this, attrs);
+  this.speciaWeapon = attrs.speciaWeapon;
+}
+
+Hero.prototype = Object.create(Humanoid.prototype);
+Hero.prototype.SuperPower = function(villain) {
+  villain.healthPoints = villain.healthPoints - 4;
+  if (villain.healthPoints <= 0) {
+    return `${this.name} uses ${this.speciaWeapon} and ${villain.destroy()}`;
+  } else {
+    return `${this.name} cast kryptonite ${villain.healthPoints} hp left`;
+  }
+};
+
+const superHero = new Hero({
+  healthPoints: 12,
+  name: "Zabb",
+  speciaWeapon: "ice",
+});
 
-  // Stretch task: 
-  // * Create Villain and Hero constructor functions that inherit from the Humanoid constructor function.  
-  // * Give the Hero and Villains different methods that could be used to remove health points from objects which could result in destruction if health gets to 0 or drops below 0;
-  // * Create two new objects, one a villain and one a hero and fight it out with methods!
\ No newline at end of file
+console.log(superHero);
+console.log(vill.kryptonite(superHero));
+console.log(superHero.SuperPower(vill));
+console.log(vill.kryptonite(superHero));
+console.log(superHero.SuperPower(vill));
+console.log(vill.kryptonite(superHero));
+console.log(superHero.SuperPower(vill));
\ No newline at end of file
diff --git a/assignments/this.js b/assignments/this.js
index 969bbeeba..73ee0e8e3 100644
--- a/assignments/this.js
+++ b/assignments/this.js
@@ -1,26 +1,47 @@
 /* The for principles of "this";
 * in your own words. explain the four principle for the "this" keyword below.
 *
-* 1. 
-* 2. 
-* 3. 
-* 4. 
+* 1. Window/Global Object Binding
+* 2. Implicit Binding
+* 3. New Binding
+* 4. Explicit Binding
 *
 * write out a code example of each explanation above
 */
 
 // Principle 1
 
-// code example for Window Binding
+var person = {
+    firstName: "John",
+    lastName : "Doe",
+    id       : 5566,
+    fullName : function() {
+      return this.firstName + " " + this.lastName;
+    }
+  };
 
 // Principle 2
 
-// code example for Implicit Binding
+fullName : function() {
+    return this.firstName + " " + this.lastName;
+  }
 
 // Principle 3
 
-// code example for New Binding
+function myFunction() {
+    return this;
+  }
 
 // Principle 4
 
-// code example for Explicit Binding
\ No newline at end of file
+var person1 = {
+    fullName: function() {
+      return this.firstName + " " + this.lastName;
+    }
+  }
+  var person2 = {
+    firstName:"John",
+    lastName: "Doe",
+  }
+ 
+ console.log(person1.fullName.call(person2));
\ No newline at end of file