===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,185 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var LightSystem = Container.expand(function () {
+	var self = Container.call(this);
+	var lightGraphics = self.attachAsset('lightIndicator', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.changeToGreen = function () {
+		lightGraphics.tint = 0x00ff00;
+		LK.effects.flashScreen(0x00ff00, 300);
+		LK.getSound('lightChange').play();
+	};
+	self.changeToRed = function () {
+		lightGraphics.tint = 0xff0000;
+		LK.effects.flashScreen(0xff0000, 300);
+		LK.getSound('lightChange').play();
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.speed = 0;
+	self.maxSpeed = 8;
+	self.isMoving = false;
+	self.startX = 150;
+	self.update = function () {
+		if (self.isMoving && isGreenLight) {
+			self.x += self.speed;
+		}
+		// Keep player within bounds
+		if (self.x > finishX) {
+			self.x = finishX;
+			// Player wins!
+			LK.showYouWin();
+		}
+	};
+	self.reset = function () {
+		self.x = self.startX;
+		self.speed = 0;
+		self.isMoving = false;
+		LK.effects.flashObject(self, 0xff0000, 500);
+		LK.getSound('reset').play();
+	};
+	self.startRunning = function () {
+		if (isGreenLight) {
+			self.isMoving = true;
+			self.speed = self.maxSpeed;
+		}
+	};
+	self.stopRunning = function () {
+		self.isMoving = false;
+		self.speed = 0;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0x87ceeb
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var isGreenLight = true;
+var lightTimer = 0;
+var greenLightDuration = 180; // 3 seconds at 60fps
+var redLightDuration = 120; // 2 seconds at 60fps
+var currentLightDuration = greenLightDuration;
+var finishX = 1900;
+// Create floor
+var floor = game.addChild(LK.getAsset('floor', {
+	anchorX: 0,
+	anchorY: 1.0,
+	x: 0,
+	y: 2500
+}));
+// Create start line
+var startLine = game.addChild(LK.getAsset('startLine', {
+	anchorX: 0.5,
+	anchorY: 1.0,
+	x: 150,
+	y: 2500
+}));
+// Create finish line
+var finishLine = game.addChild(LK.getAsset('finishLine', {
+	anchorX: 0.5,
+	anchorY: 1.0,
+	x: finishX,
+	y: 2500
+}));
+// Create player
+var player = game.addChild(new Player());
+player.x = player.startX;
+player.y = 2500;
+// Create light system
+var lightSystem = game.addChild(new LightSystem());
+lightSystem.x = 1024;
+lightSystem.y = 300;
+// Create instruction text
+var instructionText = new Text2('TAP AND HOLD TO RUN DURING GREEN LIGHT', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+instructionText.anchor.set(0.5, 0.5);
+instructionText.x = 1024;
+instructionText.y = 600;
+game.addChild(instructionText);
+// Create light status text
+var lightStatusText = new Text2('GREEN LIGHT - GO!', {
+	size: 80,
+	fill: 0x00FF00
+});
+lightStatusText.anchor.set(0.5, 0.5);
+lightStatusText.x = 1024;
+lightStatusText.y = 500;
+game.addChild(lightStatusText);
+// Touch controls
+var isPressed = false;
+game.down = function (x, y, obj) {
+	isPressed = true;
+	player.startRunning();
+};
+game.up = function (x, y, obj) {
+	isPressed = false;
+	player.stopRunning();
+};
+// Main game update
+game.update = function () {
+	// Update light timer
+	lightTimer++;
+	// Check if it's time to change lights
+	if (lightTimer >= currentLightDuration) {
+		lightTimer = 0;
+		isGreenLight = !isGreenLight;
+		if (isGreenLight) {
+			lightSystem.changeToGreen();
+			lightStatusText.setText('GREEN LIGHT - GO!');
+			lightStatusText.tint = 0x00ff00;
+			currentLightDuration = greenLightDuration;
+			// Decrease green light duration slightly for progressive difficulty
+			if (greenLightDuration > 60) {
+				greenLightDuration -= 2;
+			}
+		} else {
+			lightSystem.changeToRed();
+			lightStatusText.setText('RED LIGHT - STOP!');
+			lightStatusText.tint = 0xff0000;
+			currentLightDuration = redLightDuration;
+			// Decrease red light duration slightly for progressive difficulty
+			if (redLightDuration > 40) {
+				redLightDuration -= 1;
+			}
+		}
+	}
+	// Check if player is caught moving during red light
+	if (!isGreenLight && player.isMoving) {
+		player.reset();
+		// Reset difficulty
+		greenLightDuration = 180;
+		redLightDuration = 120;
+	}
+	// Force stop player during red light
+	if (!isGreenLight && isPressed) {
+		player.stopRunning();
+	}
+	// Allow movement only during green light
+	if (isGreenLight && isPressed) {
+		player.startRunning();
+	}
+};
\ No newline at end of file