diff --git a/assignments/lambda-classes.js b/assignments/lambda-classes.js
index 71acfca0e..d50ac4948 100644
--- a/assignments/lambda-classes.js
+++ b/assignments/lambda-classes.js
@@ -1 +1,166 @@
 // CODE here for your Lambda Classes
+class Person {
+  constructor(attrs) {
+    this.name = attrs.name;
+    this.age = attrs.age;
+    this.location = attrs.location;
+  }
+
+  speak() {
+    return `Hello my name is ${this.name}, I am from ${this.location}.`;
+  }
+}
+
+class Instructor extends Person {
+  constructor(attrs) {
+    super(attrs);
+    this.specialty = attrs.specialty;
+    this.favLanguage = attrs.favLanguage;
+    this.catchPhrase = attrs.catchPhrase;
+  }
+
+  demo(subject) {
+    return `Today we are learning about ${subject}.`;
+  }
+
+  grade(student, subject) {
+    return `${student.name} receives a perfect score on ${subject}.`;
+  }
+}
+
+class Student extends Person {
+  constructor(attrs) {
+    super(attrs);
+    this.previousBackground = attrs.previousBackground;
+    this.className = attrs.className;
+    this.favSubjects = attrs.favSubjects;
+  }
+
+  listsSubjects() {
+    let str = "";
+
+    this.favSubjects.forEach((favSubject, index, array) => {
+      if (index !== array.length - 1) {
+        str += `${favSubject}, `;
+      } else {
+        str += `${favSubject}`;
+      }
+    });
+
+    return str;
+  }
+
+  PRAssignment(subject) {
+    return `${this.name} has submitted a PR for ${subject}.`;
+  }
+
+  sprintChallenge(subject) {
+    return `${this.name} has begun sprint challenge on ${subject}.`;
+  }
+}
+
+class ProjectManager extends Instructor {
+  constructor(attrs) {
+    super(attrs);
+    this.gradClassName = attrs.gradClassName;
+    this.favInstructor = attrs.favInstructor;
+  }
+
+  standUp(channel) {
+    return `${this.name} announces to #${channel}, @channel stand up times!`;
+  }
+
+  debugsCode(student, subject) {
+    return `${this.name} debugs ${student.name}'s code on ${subject}.`;
+  }
+}
+
+const adam = new Instructor({
+  name: "Adam",
+  age: 37,
+  location: "New York",
+  specialty: "Front-End",
+  favLanguage: "CSS",
+  catchPhrase: "Let's get ready to rumble!"
+});
+
+console.log(adam.name);
+
+console.log(adam.catchPhrase);
+
+console.log(adam.speak());
+
+console.log(adam.demo("HTML"));
+
+const carlos = new Student({
+  name: "Carlos",
+  age: 28,
+  location: "Chicago",
+  previousBackground: "Marketer",
+  className: "WEB PT 9",
+  favSubjects: ["React, HTML, GraphQL"]
+});
+
+console.log(carlos.name);
+
+console.log(carlos.previousBackground);
+
+console.log(carlos.listsSubjects());
+
+console.log(carlos.PRAssignment("React"));
+
+const bob = new Instructor({
+  name: "Bob",
+  age: 33,
+  location: "San Francisco",
+  specialty: "React",
+  favLanguage: "JavaScript",
+  catchPhrase: "Boom Shakalah!"
+});
+
+console.log(bob.grade(carlos, "React"));
+
+const david = new Student({
+  name: "David",
+  age: 22,
+  location: "Seattle",
+  previousBackground: "Teacher",
+  className: "WEB PT 9",
+  favSubjects: ["CSS, JavaScript, React"]
+});
+
+console.log(david.sprintChallenge("CSS"));
+
+const edgar = new ProjectManager({
+  name: "Edgar",
+  age: 44,
+  location: "Houston",
+  specialty: "Back-End",
+  favLanguage: "PHP",
+  catchPhrase: "That's straight fire!",
+  gradClassName: "WEB PT 9",
+  favInstructor: "Bob"
+});
+
+console.log(edgar.age);
+
+console.log(edgar.favLanguage);
+
+console.log(edgar.favInstructor);
+
+console.log(edgar.grade(david, "PHP"));
+
+console.log(edgar.standUp("webpt9"));
+
+const frank = new ProjectManager({
+  name: "Frank",
+  age: 52,
+  location: "Los Angeles",
+  specialty: "Back-End",
+  favLanguage: "GraphQL",
+  catchPhrase: "No pain, no gain!",
+  gradClassName: "WEB PT 9",
+  favInstructor: "Bob"
+});
+
+console.log(frank.debugsCode(adam, "GraphQL"));
diff --git a/assignments/prototype-refactor.js b/assignments/prototype-refactor.js
index 91424c9fa..bd2074308 100644
--- a/assignments/prototype-refactor.js
+++ b/assignments/prototype-refactor.js
@@ -7,3 +7,140 @@ Prototype Refactor
 2. Your goal is to refactor all of this code to use ES6 Classes. The console.log() statements should still return what is expected of them.
 
 */
+
+/*
+  Object oriented design is commonly used in video games.  For this part of the assignment you will be implementing several constructor functions with their correct inheritance hierarchy.
+
+  In this file you will be creating three constructor functions: GameObject, CharacterStats, Humanoid.  
+
+  At the bottom of this file are 3 objects that all end up inheriting from Humanoid.  Use the objects at the bottom of the page to test your constructor functions.
+  
+  Each constructor function has unique properties and methods that are defined in their block comments below:
+*/
+
+/*
+  === GameObject ===
+  * createdAt
+  * name
+  * dimensions (These represent the character's size in the video game)
+  * destroy() // prototype method that returns: `${this.name} was removed from the game.`
+*/
+
+class GameObject {
+  constructor(attrs) {
+    this.createdAt = attrs.createdAt;
+    this.name = attrs.name;
+    this.dimensions = attrs.dimensions;
+  }
+
+  destroy() {
+    return `${this.name} was removed from the game.`;
+  }
+}
+
+/*
+  === CharacterStats ===
+  * healthPoints
+  * takeDamage() // prototype method -> returns the string '<object name> took damage.'
+  * should inherit destroy() from GameObject's prototype
+*/
+
+class CharacterStats extends GameObject {
+  constructor(attrs) {
+    super(attrs);
+    this.healthPoints = attrs.healthPoints;
+  }
+
+  takeDamage() {
+    return `${this.name} took damage.`;
+  }
+}
+
+/*
+  === Humanoid (Having an appearance or character resembling that of a human.) ===
+  * team
+  * weapons
+  * language
+  * greet() // prototype method -> returns the string '<object name> offers a greeting in <object language>.'
+  * should inherit destroy() from GameObject through CharacterStats
+  * should inherit takeDamage() from CharacterStats
+*/
+
+class Humanoid extends CharacterStats {
+  constructor(attrs) {
+    super(attrs);
+    this.team = attrs.team;
+    this.weapons = attrs.weapons;
+    this.language = attrs.language;
+  }
+
+  greet() {
+    return `${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.
+ */
+
+// 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.
+
+// 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!