diff --git a/game.js b/game.js
index 05194fa..a019369 100644
--- a/game.js
+++ b/game.js
@@ -3,29 +3,33 @@ var canvas;
 const WAITING = 0;
 const RUNNING = 1;
 const REVIEWING = 2;
+const TESTING = 3;
+const FINISH = 4;
 
 const UP = 0;
 const RIGHT = 1;
 const DOWN = 2;
 const LEFT = 3;
 
-const RED = 0;
-const BLUE = 1;
-const GREEN = 2;
-const YELLOW = 3;
-const PURPLE = 4;
-const PINK = 5;
-const BLACK = 6;
-const GRAY = 7;
+const RED = "R";
+const BLUE = "B";
+const GREEN = "G";
+const YELLOW = "Y";
+const PURPLE = "P";
+const PINK = "PI";
+const BLACK = "BL";
+const GRAY = "GR";
 
 const ALIVE = 0;
 const DEAD = 1;
+const DONE = 2;
 
 var BOT_X = -1
 var BOT_Y = -1
 var BOT_DIR = RIGHT
 var BOT_STATE = ALIVE
-var BOT_TAPE = [{color:RED},{color:BLUE}]
+var BOT_TAPE = "RB"
+var BOT_QUEUE = []
 
 var BELTDOWN = {type:"BELT",direction:DOWN/*,direction2 - defines a secondary direction. For two belts at once.*/}
 var BELTRIGHT = {type:"BELT",direction:RIGHT}
@@ -45,6 +49,7 @@ var lastGameUpdate = 0;
 var gameSpeed = 1000/1;
 
 var gameState=RUNNING;
+var gameStage=0;
 
 var LEVEL0 = [
 	[{},{},{},{},{},],
@@ -76,10 +81,16 @@ var LEVEL4 = [
 	[{},{...BELTRIGHT,direction2:DOWN},{},{},{},],
 	[{},{},{...BELTUP,direction2:LEFT},{},{},],
 	[{},{},{},{},{},],]
+var STAGE1 = {
+	name:"The First Stage!",
+	objective:"Accept all bots",
+	level:createGrid(5,5,4,2),
+	start:{x:0,y:2},
+	accept:(tape)=>true}
 
 var gameGrid= []
 
-function createGrid(width,height) {
+function createGrid(width=5,height=5,exitX=4,exitY=2) {
 	var grid = []
 	for (var i=0;i<width;i++) {
 		var row = []
@@ -88,9 +99,85 @@ function createGrid(width,height) {
 		}
 		grid.push(row)
 	}
+	grid[exitY][exitX]={type:"EXIT"}
 	return grid
 }
 
+function resetGame() {
+	gameGrid=[]
+	gameState=WAITING
+	BOT_X=-1
+	BOT_Y=-1
+	BOT_DIR=RIGHT
+	BOT_STATE=ALIVE
+	BOT_TAPE="RB"
+	BOT_QUEUE=[]
+	lastGameUpdate=0
+}
+
+function generateBotQueue() {
+	if (gameState===TESTING) {
+		//Iterate up to...15 RED/BLUE combinations.
+		var MAX_VALUE=1000
+		var startingValue=0
+		while (startingValue<MAX_VALUE) {
+			var tape=ConvertNumberToTape(startingValue++)
+			//console.log(tape)
+			var wrongBot=false //Set to true if a bot that's supposed to pass fails, or a bot that's supposed to fail passes.
+			var isSupposedToBeAccepted=gameStage.accept(tape)
+			var result=getSimulatedBotResult(tape)
+			if (result===isSupposedToBeAccepted) {
+				wrongBot=false;
+			} else {
+				wrongBot=true;
+			}
+			
+			if (wrongBot) {
+				BOT_QUEUE.push(tape)
+			}
+			if (BOT_QUEUE.length===3) {
+				break;
+			}
+		}
+	}
+}
+
+function getSimulatedBotResult(tape) {
+	var simulatedBoard = deepCopy(gameGrid)
+	resetBot(gameStage.start.x,gameStage.start.y,TESTING,tape)
+	const MAX_ITERATIONS=10000
+	var iterations=0
+	while (iterations<MAX_ITERATIONS) {
+		runBot(true)
+		//renderGame()
+		if (gameState===REVIEWING) {
+			//console.log("Rejected")
+			return false
+		}
+		if (gameState===FINISH) {
+			//console.log("Accepted")
+			return true
+		}
+		iterations++
+	}
+	return false
+}
+
+function ConvertNumberToTape(val) {
+	var remainingVal = val
+	var tape = ""
+	while (remainingVal>0) {
+		var mask = remainingVal&1
+		if (mask===1) {
+			tape="B"+tape
+		} else {
+			tape="R"+tape
+		}
+		remainingVal=remainingVal>>>1
+	}
+	return tape;
+}
+
 function runBot(testing) {
 	//console.log(new Date().getTime())
 	if (lastGameUpdate<new Date().getTime()||testing) {
@@ -119,17 +206,17 @@ function runBot(testing) {
 				(nextSquare.direction2===UP||nextSquare.direction2===DOWN))?nextSquare.direction2:nextSquare.direction
 			}break;
 		}
-		if (nextSquare.direction!==undefined) {
+		if (nextSquare.direction!==undefined||nextSquare.type==="EXIT") {
 			switch (nextSquare.type) {
 				case "BRANCH":{
 					//console.log("Branch found")
-					if (BOT_TAPE[0].color===nextSquare.color1) {
+					if (BOT_TAPE[0]===nextSquare.color1) {
 						//console.log("Matches color1")
 						//Move towards left side of the branch.
 						BOT_DIR = LeftOf(nextSquare.direction)
 						ConsumeTape()
 					} else
-					if (BOT_TAPE[0].color===nextSquare.color2) {
+					if (BOT_TAPE[0]===nextSquare.color2) {
 						//console.log("Matches color2")
 						//Move towards left side of the branch.
 						BOT_DIR = RightOf(nextSquare.direction)
@@ -144,6 +231,10 @@ function runBot(testing) {
 					}
 					BOT_DIR = nextSquare.direction
 				}break;
+				case "EXIT":{
+					gameState=FINISH
+					BOT_STATE=DONE
+				}break;
 			}
 			//console.log("Direction is now "+BOT_DIR)
 		} else {
@@ -154,6 +245,14 @@ function runBot(testing) {
 	}
 }
 
+function resetBot(x,y,state,tape) {
+	gameState=state
+	BOT_STATE = ALIVE
+	BOT_DIR = RIGHT
+	BOT_TAPE=deepCopy(tape)
+	placeBot(x,y)
+}
+
 function placeBot(x,y) {
 	BOT_X = x
 	BOT_Y = y
@@ -173,6 +272,12 @@ function loadLevel(level,botx,boty) {
 	gameGrid = deepCopy(level)
 }
 
+function loadStage(stage) {
+	//gameGrid=deepCopy(stage.level)
+	loadLevel(stage.level,stage.start.x,stage.start.y)
+	gameStage=stage
+}
+
 function deepCopy(arr) {
 	var newarr = []
 	for (var i=0;i<arr.length;i++) {
@@ -209,13 +314,13 @@ function draw() {
 }
 
 function ConsumeTape() {
-	BOT_TAPE.shift()
+	BOT_TAPE=BOT_TAPE.substring(1)
 }
 function AppendTape(col) {
-	BOT_TAPE.push({color:col})
+	BOT_TAPE+=col
 }
 function OverwriteTape(col) {
-	BOT_TAPE[0]={color:col}
+	BOT_TAPE=col+BOT_TAPE.substring(1)
 }
 
 function LeftOf(dir) {
diff --git a/game.test.js b/game.test.js
index 8f7b3c3..c996e61 100644
--- a/game.test.js
+++ b/game.test.js
@@ -36,18 +36,24 @@ class describe {
 		this.cb()
 		return this
 	}
+	
+	showResults = () =>{
+		console.log("==============")
+		console.log("TEST RESULTS: "+TestSuite.passedtests+" passed, "+(TestSuite.totaltests-TestSuite.passedtests)+" failed, "+TestSuite.totaltests+" total")
+		console.log("==============")
+	}
 }
 
-function expect(testval1,testval2,test) {
+function expect(testval1,testval2,name) {
 	if (testval1!==testval2) {
-		console.log("    Test Failed!"+" ("+(new Date().getTime()-TestSuite.starttime)+"ms)")
+		console.log("    Test Failed!"+" ("+(new Date().getTime()-TestSuite.starttime)+"ms)"+((name)?` - ${name}`:""))
 		TestSuite.totaltests++
 		testsPass=false
 	} else 
 	{
 		TestSuite.totaltests++
 		TestSuite.passedtests++
-		console.log("    Test Passed!"+" ("+(new Date().getTime()-TestSuite.starttime)+"ms)")
+		console.log("    Test Passed!"+" ("+(new Date().getTime()-TestSuite.starttime)+"ms)"+((name)?` - ${name}`:""))
 	}
 }
 
@@ -67,14 +73,7 @@ function runTests() {
 	TestSuite = new describe("Bot moving")
 	TestSuite
 	.beforeEach(()=>{
-		gameGrid=[]
-		gameState=WAITING
-		BOT_X=-1
-		BOT_Y=-1
-		BOT_DIR=RIGHT
-		BOT_STATE=ALIVE
-		BOT_TAPE=[{color:RED},{color:BLUE}]
-		lastGameUpdate=0
+		resetGame()
 	})
 	.it("Blank level exists.",()=>{
 		expect(AllBlankSpaces(LEVEL0),true)
@@ -116,7 +115,7 @@ function runTests() {
 	.it("Bot obeys branch rules with different colored tape.",()=>{
 		expect(function(){
 			loadLevel(LEVEL2,0,2)
-			BOT_TAPE = [{color:BLUE}]
+			BOT_TAPE = "B"
 			for (var i=0;i<3;i++) {runBot(true)}
 			if (BOT_X===2&&BOT_Y===1) {
 				return true
@@ -129,7 +128,7 @@ function runTests() {
 		expect(function(){
 			loadLevel(LEVEL2,0,2)
 			for (var i=0;i<3;i++) {runBot(true)}
-			if (BOT_TAPE.length===1&&BOT_TAPE[0].color===BLUE) {
+			if (BOT_TAPE.length===1&&BOT_TAPE[0]==="B") {
 				return true
 			} else {
 				return false
@@ -139,7 +138,7 @@ function runTests() {
 	.it("Bot tape is reduced by 1 when passing through a different branch.",()=>{
 		expect(function(){
 			loadLevel(LEVEL2,0,2)
-			BOT_TAPE = [{color:BLUE}]
+			BOT_TAPE = "B"
 			for (var i=0;i<3;i++) {runBot(true)}
 			if (BOT_TAPE.length===0) {
 				return true
@@ -163,7 +162,7 @@ function runTests() {
 		expect(function(){
 			loadLevel(LEVEL3,0,2)
 			for (var i=0;i<3;i++) {runBot(true)}
-			if (BOT_TAPE.length===3&&BOT_TAPE[2].color===RED) {
+			if (BOT_TAPE.length===3&&BOT_TAPE[2]==="R") {
 				return true
 			} else {
 				return false
@@ -173,9 +172,9 @@ function runTests() {
 	.it("Bot obeys writer tape rules - Has correct tape when overwriting",()=>{
 		expect(function(){
 			loadLevel(LEVEL3,0,1)
-			BOT_TAPE=[{color:BLUE},{color:RED}]
+			BOT_TAPE="BR"
 			for (var i=0;i<2;i++) {runBot(true)}
-			if (BOT_TAPE.length===2&&BOT_TAPE[0].color===RED) {
+			if (BOT_TAPE.length===2&&BOT_TAPE[0]==="R") {
 				return true
 			} else {
 				return false
@@ -194,6 +193,18 @@ function runTests() {
 			}
 		}(),true)
 	})
+	.it("Bot tape is unaffected if no color matched.",()=>{
+		expect(function(){
+			loadLevel(LEVEL2,0,2)
+			BOT_TAPE = [{color:YELLOW}]
+			for (var i=0;i<2;i++) {runBot(true)}
+			if (BOT_TAPE.length===1) {
+				return true
+			} else {
+				return false
+			}
+		}(),true)
+	})
 	.it("Bot goes right when approaching a double belt (Left->Right) from the left",()=>{
 		expect(function(){
 			loadLevel(LEVEL4,0,2)
@@ -241,11 +252,109 @@ function runTests() {
 			}
 		}(),true)
 	})
+	.it("Convert Number to Tape function works as expected. 0 bits=R, 1 bits=B",()=>{
+		expect(ConvertNumberToTape(4),"BRR","4=100=\"BRR\"")
+		expect(ConvertNumberToTape(24),"BBRRR","24=11000=\"BBRRR\"")
+		expect(ConvertNumberToTape(167),"BRBRRBBB","167=10100111=\"BRBRRBBB\"")
+	}).showResults()
 	
 	
-	console.log("==============")
-	console.log("TEST RESULTS: "+TestSuite.passedtests+" passed, "+(TestSuite.totaltests-TestSuite.passedtests)+" failed, "+TestSuite.totaltests+" total")
-	console.log("==============")
+	TestSuite = new describe("Stage 1")
+	TestSuite
+	.beforeEach(()=>{
+		resetGame()
+	})
+	.it("Stage 1 has a level",()=>{
+		expect(STAGE1.level===undefined,false,"Is defined")
+		expect(Array.isArray(STAGE1.level),true,"Is an array")
+		expect(STAGE1.level.length>0,true,"Cannot be empty")
+	})
+	.it("Stage 1 has a name",()=>{
+		expect(STAGE1.name===undefined,false,"Is defined")
+		expect(typeof(STAGE1.name),"string","Is a string")
+		expect(STAGE1.name.length>0,true,"Cannot be blank")
+	})
+	.it("Stage 1 has an objective",()=>{
+		expect(STAGE1.objective===undefined,false,"Is defined")
+		expect(typeof(STAGE1.objective),"string","Is a string")
+		expect(STAGE1.objective.length>0,true,"Cannot be blank")
+	})
+	.it("Stage 1 has a starting position",()=>{
+		expect(STAGE1.start===undefined,false,"Is defined")
+		expect(typeof(STAGE1.start),"object","Is an object")
+		expect(STAGE1.start.x===undefined,false,"Must have an X coordinate")
+		expect(STAGE1.start.y===undefined,false,"Must have a Y coordinate")
+	})
+	.it("Stage 1 has an acceptance condition",()=>{
+		expect(STAGE1.accept===undefined,false)
+		expect(typeof(STAGE1.accept),"function")
+	})
+	.it("loadStage sets up stage 1",()=>{
+		loadStage(STAGE1)
+		expect(gameGrid.length===STAGE1.level.length,true,"Height of stage is equal")
+		expect(gameGrid[0].length===STAGE1.level[0].length,true,"Width of stage is equal")
+	})
+	.it("current stage set to stage 1",()=>{
+		loadStage(STAGE1)
+		expect(gameStage===STAGE1,true)
+	})
+	.it("accept all bots for stage 1.",()=>{
+		loadStage(STAGE1)
+		expect(gameStage.accept(""),true,"Expect true for \"\"")
+		expect(gameStage.accept("RB"),true,"Expect true for RB")
+		expect(gameStage.accept("BRBR"),true,"Expect true for BRBR")
+	})
+	.it("bot fails at the start.",()=>{
+		loadStage(STAGE1)
+		runBot(true)
+		expect(gameState===REVIEWING,true)
+	})
+	.it("When TESTING state is on, the game should test the current level for cases expecting to pass, but fail and create 3 of them if possible.",()=>{
+		loadStage(STAGE1)
+		expect(BOT_QUEUE.length===0,true,"Bot queue should be empty.")
+		generateBotQueue()
+		expect(BOT_QUEUE.length===0&&gameState!==TESTING,true,"Bot queue should not be modified while state is not TESTING")
+		gameState=TESTING
+		generateBotQueue()
+		expect(BOT_QUEUE.length===3,true,"There should be 3 bots in queue for an unbuilt level, as all bots are supposed to pass.")
+	})
+	.it("A stage should have an Exit.",()=>{
+		loadStage(STAGE1)
+		var hasAnExit=()=>{
+			for (var y=0;y<gameGrid.length;y++) {
+				for (var x=0;x<gameGrid[y].length;x++) {
+					if (gameGrid[y][x].type==="EXIT") {
+						return true;
+					}
+				}
+			}
+			return false;
+		}
+		expect(hasAnExit(),true)
+	})
+	.it("A bot reaching the exit should set the state to FINISH.",()=>{
+		loadStage(STAGE1)
+		placeBot(3,2)
+		runBot(true)
+		expect(gameState===FINISH,true)
+	})
+	.it("Run a TESTING state to see if an acceptable player-built level has no bots in queue.",()=>{
+		loadStage(STAGE1)
+		gameGrid=[
+			[{},{},{},{},{},],
+			[{},{},{},{},{},],
+			[{},{...BELTRIGHT},{...BELTRIGHT},{...BELTRIGHT},{type:"EXIT"},],
+			[{},{},{},{},{},],
+			[{},{},{},{},{},],
+		]
+		expect(BOT_QUEUE.length===0,true,"Bot queue should be empty.")
+		gameState=TESTING
+		generateBotQueue()
+		//console.log(BOT_QUEUE)
+		expect(BOT_QUEUE.length===0,true,"There should be 0 bots in queue for a good level, as all bots are supposed to pass.")
+	})
+	.showResults()
+	
 	if (testsPass===undefined) {
 		testsPass=true
 	}