diff --git a/assignments/lambda-classes.js b/assignments/lambda-classes.js
index 71acfca0e..7c6dbab60 100644
--- a/assignments/lambda-classes.js
+++ b/assignments/lambda-classes.js
@@ -1 +1,137 @@
 // CODE here for your Lambda Classes
+
+class Person {
+  constructor(traits) {
+    this.name = traits.name;
+    this.age = traits.age;
+    this.location = traits.location;
+    this.gender = traits.gender;    
+  }
+  speak() {
+    return `Hello, my name is ${this.name}, and I am from ${this.location}.`
+  }
+}
+
+class Instructor extends Person {
+  constructor(teachTraits) {
+    super(teachTraits);
+    this.specialty = teachTraits.specialty;
+    this.favLanguage = teachTraits.favLanguage;
+    this.catchPhrase = teachTraits.catchPhrase;
+  }   
+  demo(subject) {
+    if (subject > '') {
+      return `Today, we are learning about ${subject}.`;
+    }
+  }
+  grade(student, subject) {
+    return `${student.name} receives a perfect score on ${subject}!`;
+  }
+  tutor(student) {
+    let grade = student.grade;
+    let randomNum = Math.floor(Math.random()*24); 
+    let upOrDown = Math.random() < 0.5 ? -1 : 1;
+    let scoreChange = randomNum * upOrDown;
+    if (grade) {
+      return grade + scoreChange;
+    }
+  }
+}
+
+class Student extends Person {
+  constructor(neoTraits) {
+    super(neoTraits);
+    this.previousBackground = neoTraits.previousBackground;
+    this.className = neoTraits.className;
+    this.favSubjects = neoTraits.favSubjects;
+    this.grade = neoTraits.grade;
+  }
+  listsSubjects() {
+    let list = this.favSubjects.join(', '); 
+    return `${this.name}'s favorite subjects are: ${list}.`
+  }
+  PRAssignment(subject) {
+    return `${this.name} has submitted a PR for ${subject}.`
+  }
+  sprintChallenge(subject) {
+    return `${this.name} has begun a sprint challenge on ${subject}.`     
+  }
+  graduate() {
+    if (this.grade > 70) {
+      let finalGrade = this.grade;
+      return `Congratulations! You've passed our examinations with a score of ${finalGrade}. This means that you're ready to graduate! Go forth and prosper with code.` 
+    }
+    return `${this.name}'s score of ${this.grade} is not enough to graduate yet. Keep studying!`
+  }
+}
+
+class ProjectManager extends Instructor {
+  constructor(pmTraits) {
+    super(pmTraits);
+    this.gradClassName = pmTraits.gradClassName;
+    this.favInstructor = pmTraits.favInstructor;
+  }
+  standUp(channel) {
+    return `${this.name} announces to ${channel}: Hey @${channel}, it's standup time!`;
+  }
+  debugsCode(student, subject) {
+    return `${this.name} debugs ${student.name}'s code on ${subject}.`;
+  }
+}
+
+const beatrix = new Person({
+  name: 'Beatrix',
+  age: 28,
+  location: 'Alexandria',
+  gender: 'Female',
+});
+
+const bigBoss = new Instructor({
+  name: 'John',
+  age: 83,
+  location: 'Unknown, USA',
+  gender: 'Male',
+  specialty: 'Covert Operations (and also redux)',
+  favLanguage: 'CQC',
+  catchPhrase: 'We are soldiers without borders, our purpose defined by the era we live in.'
+});
+
+const mark = new Student({
+  name: 'Mark',
+  age: 28,
+  location: 'Florida',
+  gender: 'Male',
+  previousBackground: 'Jack-of-all-trades',
+  className: 'CS11',
+  favSubjects: ['Digital Art', 'JavaScript', 'UI Design', 'UX Heuristics & Theorycrafting', 'Game Design', 'Music'],
+  grade: Math.floor(Math.random() * 10) + 65
+});
+
+const hiawatha = new ProjectManager({
+  name: 'Hiawatha',
+  age: 99,
+  location: 'The Land Before Time',
+  gender: 'Male',
+  gradClassName: 'CS00: Reloaded',
+  favInstructor: 'Merlin the Legendary Wizard'
+})
+
+console.log(beatrix.speak());
+console.log(bigBoss.demo(bigBoss.favLanguage));
+console.log(bigBoss.grade(beatrix,bigBoss.favLanguage));
+console.log(mark.listsSubjects());
+console.log(mark.PRAssignment(mark.favSubjects[2]));
+console.log(mark.sprintChallenge(mark.favSubjects[4]));
+console.log(hiawatha.standUp(`cs11`));
+console.log(hiawatha.debugsCode(mark,mark.favSubjects[1]));
+
+console.log(mark.grade);
+console.log(hiawatha.tutor(mark));
+console.log(mark.graduate());
+
+
+
+
+
+
+
diff --git a/assignments/prototype-refactor.js b/assignments/prototype-refactor.js
index e55ae39c0..b79009efa 100644
--- a/assignments/prototype-refactor.js
+++ b/assignments/prototype-refactor.js
@@ -2,39 +2,38 @@
 // Today 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.
 
-function GameObject(options) {
-  this.createdAt = options.createdAt;
-  this.dimensions = options.dimensions;
-}
+class GameObject {
+  constructor(options) {
+    this.createdAt = options.createdAt;
+    this.dimensions = options.dimensions;
+  }
+  destroy() {
+    return `${this.name} was removed from the game.`;    
+  }
+} //GameObject
 
-GameObject.prototype.destroy = function() {
-  return `Object was removed from the game.`;
-};
+class CharacterStats extends GameObject {
+  constructor(charStatsOptions) {
+    super(charStatsOptions);
+    this.hp = charStatsOptions.hp;
+    this.name = charStatsOptions.name;
+  }
+  takeDamage() {
+    return `${this.name} took damage.`;
+  }
+} //CharacterStats
 
-function CharacterStats(characterStatsOptions) {
-  GameObject.call(this, characterStatsOptions);
-  this.hp = characterStatsOptions.hp;
-  this.name = characterStatsOptions.name;
-}
-
-CharacterStats.prototype = Object.create(GameObject.prototype);
-
-CharacterStats.prototype.takeDamage = function() {
-  return `${this.name} took damage.`;
-};
-
-function Humanoid(humanoidOptions) {
-  CharacterStats.call(this, humanoidOptions);
-  this.faction = humanoidOptions.faction;
-  this.weapons = humanoidOptions.weapons;
-  this.language = humanoidOptions.language;
-}
-
-Humanoid.prototype = Object.create(CharacterStats.prototype);
-
-Humanoid.prototype.greet = function() {
-  return `${this.name} offers a greeting in ${this.language}.`;
-};
+class Humanoid extends CharacterStats {
+  constructor(humanoidOptions) {
+    super(humanoidOptions);
+    this.faction = humanoidOptions.faction;
+    this.weapons = humanoidOptions.weapons;
+    this.language = humanoidOptions.language;    
+  }
+  greet() {
+  return `${this.name} offers a greeting in ${this.language}.`;    
+  }
+} //Humanoid
 
 const mage = new Humanoid({
   createdAt: new Date(),