/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var ChallengesMenu = Container.expand(function () {
	var self = Container.call(this);
	// Background
	var background = self.attachAsset('challengeMenuBg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	});
	// Title
	var titleText = new Text2('CHALLENGES', {
		size: 120,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 400;
	self.addChild(titleText);
	// Back button
	var backButton = self.attachAsset('backButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 200,
		y: 200
	});
	var backButtonText = new Text2('BACK', {
		size: 60,
		fill: 0xFFFFFF
	});
	backButtonText.anchor.set(0.5, 0.5);
	backButtonText.x = 200;
	backButtonText.y = 200;
	self.addChild(backButtonText);
	// Challenge items
	var challenges = [{
		title: 'Speed Demon',
		desc: 'Complete 100 taps in 30 seconds',
		reward: '500 points'
	}, {
		title: 'Marathon',
		desc: 'Reach level 50 without stopping',
		reward: '1000 points'
	}, {
		title: 'Color Master',
		desc: 'Unlock all tap colors',
		reward: 'Special effect'
	}, {
		title: 'Dedication',
		desc: 'Play for 7 days in a row',
		reward: '2000 points'
	}, {
		title: 'Tap God',
		desc: 'Complete 10,000 total taps',
		reward: 'Golden theme'
	}];
	for (var i = 0; i < challenges.length; i++) {
		var challenge = challenges[i];
		var yPos = 600 + i * 200;
		var isCompleted = completedChallenges.indexOf(i) !== -1;
		// Challenge background
		var challengeBg = self.attachAsset('challengeItem', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: yPos,
			alpha: isCompleted ? 0.5 : 1
		});
		// Store challenge index for click handler
		challengeBg.challengeIndex = i;
		challengeBg.isCompleted = isCompleted;
		// Challenge title
		var challengeTitle = new Text2(challenge.title, {
			size: 60,
			fill: isCompleted ? 0x888888 : 0xFFD700
		});
		challengeTitle.anchor.set(0.5, 0);
		challengeTitle.x = 2048 / 2;
		challengeTitle.y = yPos - 50;
		self.addChild(challengeTitle);
		// Challenge description
		var challengeDesc = new Text2(challenge.desc, {
			size: 45,
			fill: isCompleted ? 0x666666 : 0xCCCCCC
		});
		challengeDesc.anchor.set(0.5, 0);
		challengeDesc.x = 2048 / 2;
		challengeDesc.y = yPos - 10;
		self.addChild(challengeDesc);
		// Challenge reward
		var challengeReward = new Text2('Reward: ' + challenge.reward, {
			size: 40,
			fill: isCompleted ? 0x666666 : 0x4CAF50
		});
		challengeReward.anchor.set(0.5, 0);
		challengeReward.x = 2048 / 2;
		challengeReward.y = yPos + 30;
		self.addChild(challengeReward);
		// Check mark for completed challenges
		if (isCompleted) {
			var checkMark = self.attachAsset('checkMark', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2 + 850,
				y: yPos
			});
		}
		// Challenge click handler
		if (!isCompleted) {
			challengeBg.down = function (x, y, obj) {
				LK.getSound('menuClick').play();
				currentChallenge = this.challengeIndex;
				gameState = 'challenge_playing';
				// Initialize challenge-specific variables
				challengeStartTime = Date.now();
				challengeTapCount = 0;
				currentLevel = 1;
				currentProgress = 0;
				tapsRequired = getChallengeRequirement(currentChallenge);
				tween(self, {
					alpha: 0,
					scaleX: 0.8,
					scaleY: 0.8
				}, {
					duration: 300,
					onFinish: function onFinish() {
						self.destroy();
						initializeMainGame();
					}
				});
			};
		}
	}
	// Back button click handler
	backButton.down = function (x, y, obj) {
		LK.getSound('menuClick').play();
		tween(self, {
			alpha: 0,
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: 300,
			onFinish: function onFinish() {
				self.destroy();
				gameState = 'intro';
				introMenu = game.addChild(new IntroMenu());
			}
		});
	};
	// Initial entrance animation
	self.alpha = 0;
	self.scaleX = 0.8;
	self.scaleY = 0.8;
	tween(self, {
		alpha: 1,
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 500,
		easing: tween.easeOut
	});
	return self;
});
var IntroMenu = Container.expand(function () {
	var self = Container.call(this);
	// Background
	var background = self.attachAsset('introBackground', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	});
	// Title glow effects (multiple for better visual impact)
	var titleGlow1 = self.attachAsset('titleGlow', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 800,
		alpha: 0.3
	});
	var titleGlow2 = self.attachAsset('titleGlow', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 800,
		alpha: 0.2
	});
	// Title text
	var titleText = new Text2('TAP TO WIN', {
		size: 150,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 800;
	self.addChild(titleText);
	// Subtitle
	var subtitleText = new Text2('Endless Tapping Adventure', {
		size: 60,
		fill: 0xFFD700
	});
	subtitleText.anchor.set(0.5, 0.5);
	subtitleText.x = 2048 / 2;
	subtitleText.y = 900;
	self.addChild(subtitleText);
	// Play button
	var playButton = self.attachAsset('playButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1400
	});
	// Play button text
	var playButtonText = new Text2('PLAY', {
		size: 80,
		fill: 0xFFFFFF
	});
	playButtonText.anchor.set(0.5, 0.5);
	playButtonText.x = 2048 / 2;
	playButtonText.y = 1400;
	self.addChild(playButtonText);
	// Challenges button
	var challengesButton = self.attachAsset('challengesButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1600
	});
	// Challenges button text
	var challengesButtonText = new Text2('CHALLENGES', {
		size: 70,
		fill: 0xFFFFFF
	});
	challengesButtonText.anchor.set(0.5, 0.5);
	challengesButtonText.x = 2048 / 2;
	challengesButtonText.y = 1600;
	self.addChild(challengesButtonText);
	// Animation variables
	var glowAnimation = 0;
	var titlePulse = 0;
	var buttonPulse = 0;
	self.update = function () {
		// Animate title glow
		glowAnimation += 0.08;
		titleGlow1.scaleX = 1 + Math.sin(glowAnimation) * 0.3;
		titleGlow1.scaleY = 1 + Math.sin(glowAnimation) * 0.3;
		titleGlow2.scaleX = 1 + Math.sin(glowAnimation + 1) * 0.2;
		titleGlow2.scaleY = 1 + Math.sin(glowAnimation + 1) * 0.2;
		// Pulse title text
		titlePulse += 0.05;
		titleText.alpha = 0.8 + Math.sin(titlePulse) * 0.2;
		// Pulse play button
		buttonPulse += 0.1;
		playButton.scaleX = 1 + Math.sin(buttonPulse) * 0.1;
		playButton.scaleY = 1 + Math.sin(buttonPulse) * 0.1;
		// Pulse challenges button
		challengesButton.scaleX = 1 + Math.sin(buttonPulse + 0.5) * 0.1;
		challengesButton.scaleY = 1 + Math.sin(buttonPulse + 0.5) * 0.1;
	};
	// Play button click handler
	playButton.down = function (x, y, obj) {
		LK.getSound('menuClick').play();
		LK.effects.flashScreen(0x4CAF50, 300);
		// Animate menu out
		tween(self, {
			alpha: 0,
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 500,
			onFinish: function onFinish() {
				gameState = 'playing';
				self.destroy();
				initializeMainGame();
			}
		});
	};
	// Challenges button click handler
	challengesButton.down = function (x, y, obj) {
		LK.getSound('menuClick').play();
		LK.effects.flashScreen(0xFF6B35, 300);
		// Animate menu out
		tween(self, {
			alpha: 0,
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 500,
			onFinish: function onFinish() {
				gameState = 'challenges';
				self.destroy();
				var challengesMenu = game.addChild(new ChallengesMenu());
			}
		});
	};
	// Initial entrance animation
	self.alpha = 0;
	self.scaleX = 0.8;
	self.scaleY = 0.8;
	tween(self, {
		alpha: 1,
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 800,
		easing: tween.easeOut
	});
	return self;
});
var LevelCompleteEffect = Container.expand(function () {
	var self = Container.call(this);
	var effect = self.attachAsset('levelCompleteEffect', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.animate = function () {
		self.x = 2048 / 2;
		self.y = 2732 / 2;
		self.alpha = 0.8;
		effect.scaleX = 0;
		effect.scaleY = 0;
		// Animate scale up and fade out
		tween(effect, {
			scaleX: 8,
			scaleY: 8
		}, {
			duration: 800,
			easing: tween.easeOut
		});
		tween(self, {
			alpha: 0
		}, {
			duration: 800,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});
var PauseMenu = Container.expand(function () {
	var self = Container.call(this);
	// Semi-transparent overlay
	var overlay = LK.getAsset('pauseMenuBg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732,
		alpha: 0.8
	});
	self.addChild(overlay);
	// Menu background
	var menuBg = self.attachAsset('pauseMenuBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2
	});
	// Title
	var titleText = new Text2('PAUSED', {
		size: 80,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 2732 / 2 - 150;
	self.addChild(titleText);
	// Resume button
	var resumeButton = self.attachAsset('pauseMenuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 - 50
	});
	var resumeText = new Text2('RESUME', {
		size: 50,
		fill: 0xFFFFFF
	});
	resumeText.anchor.set(0.5, 0.5);
	resumeText.x = 2048 / 2;
	resumeText.y = 2732 / 2 - 50;
	self.addChild(resumeText);
	// Main menu button
	var mainMenuButton = self.attachAsset('pauseMenuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 + 30
	});
	var mainMenuText = new Text2('MAIN MENU', {
		size: 50,
		fill: 0xFFFFFF
	});
	mainMenuText.anchor.set(0.5, 0.5);
	mainMenuText.x = 2048 / 2;
	mainMenuText.y = 2732 / 2 + 30;
	self.addChild(mainMenuText);
	// Quit button
	var quitButton = self.attachAsset('pauseMenuButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 + 110
	});
	var quitText = new Text2('QUIT', {
		size: 50,
		fill: 0xFFFFFF
	});
	quitText.anchor.set(0.5, 0.5);
	quitText.x = 2048 / 2;
	quitText.y = 2732 / 2 + 110;
	self.addChild(quitText);
	// Button handlers
	resumeButton.down = function () {
		LK.getSound('menuClick').play();
		LK.resume();
		self.destroy();
	};
	mainMenuButton.down = function () {
		LK.getSound('menuClick').play();
		LK.resume();
		gameState = 'intro';
		// Clear current game elements
		if (levelText) levelText.destroy();
		if (progressBarBg) progressBarBg.destroy();
		if (progressBarFill) progressBarFill.destroy();
		if (progressText) progressText.destroy();
		if (pointsText) pointsText.destroy();
		if (tapInstructionText) tapInstructionText.destroy();
		levelText = null;
		progressBarBg = null;
		progressBarFill = null;
		progressText = null;
		pointsText = null;
		tapInstructionText = null;
		self.destroy();
		introMenu = game.addChild(new IntroMenu());
	};
	quitButton.down = function () {
		LK.getSound('menuClick').play();
		LK.resume();
		LK.showGameOver();
	};
	return self;
});
var TapParticle = Container.expand(function () {
	var self = Container.call(this);
	var particle = self.attachAsset('tapParticle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.animate = function (targetX, targetY) {
		self.x = targetX;
		self.y = targetY;
		self.alpha = 1;
		particle.scaleX = 0.5;
		particle.scaleY = 0.5;
		// Animate scale and fade out
		tween(particle, {
			scaleX: 2,
			scaleY: 2
		}, {
			duration: 300
		});
		tween(self, {
			alpha: 0
		}, {
			duration: 300,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
// Game state management
var gameState = 'intro'; // 'intro', 'playing', 'challenges', or 'challenge_playing'
var introMenu = null;
var currentChallenge = null;
// Game variables
var currentLevel = storage.level || 1;
var currentProgress = storage.progress || 0;
var tapsRequired = 10 + (currentLevel - 1) * 5; // Each level needs 5 more taps
var totalPoints = storage.totalPoints || 0;
var tapEffectColor = storage.tapEffectColor || 0xFFD700;
// Challenge completion tracking
var completedChallenges = storage.completedChallenges || [];
var challengeStartTime = 0;
var challengeTapCount = 0;
// UI Elements (will be created when main game starts)
var levelText = null;
var progressBarBg = null;
var progressBarFill = null;
var progressText = null;
var pointsText = null;
var tapInstructionText = null;
// Function to initialize main game UI
function initializeMainGame() {
	levelText = new Text2('Level ' + currentLevel, {
		size: 80,
		fill: 0xFFFFFF
	});
	levelText.anchor.set(0.5, 0);
	LK.gui.top.addChild(levelText);
	levelText.y = 150;
	progressBarBg = game.addChild(LK.getAsset('progressBarBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 300
	}));
	progressBarFill = game.addChild(LK.getAsset('progressBarFill', {
		anchorX: 0,
		anchorY: 0.5,
		x: (2048 - 1600) / 2,
		y: 300
	}));
	progressText = new Text2(currentProgress + ' / ' + tapsRequired, {
		size: 60,
		fill: 0xFFFFFF
	});
	progressText.anchor.set(0.5, 0);
	progressText.x = 2048 / 2;
	progressText.y = 350;
	game.addChild(progressText);
	pointsText = new Text2('Points: ' + totalPoints, {
		size: 50,
		fill: 0xFFFF00
	});
	pointsText.anchor.set(1, 0);
	LK.gui.topRight.addChild(pointsText);
	pointsText.x = -20;
	pointsText.y = 20;
	tapInstructionText = new Text2('TAP ANYWHERE TO PROGRESS!', {
		size: 70,
		fill: 0xFFFFFF
	});
	tapInstructionText.anchor.set(0.5, 0.5);
	tapInstructionText.x = 2048 / 2;
	tapInstructionText.y = 2732 / 2 + 200;
	game.addChild(tapInstructionText);
	// Initialize progress bar display
	updateProgressBar();
}
;
// Override pause button to show custom pause menu
LK.onPause = function () {
	if (gameState === 'playing' || gameState === 'challenge_playing') {
		var pauseMenu = game.addChild(new PauseMenu());
		return false; // Prevent default pause behavior
	}
	return true; // Allow default behavior for other states
};
// Initialize intro menu immediately when game starts
introMenu = game.addChild(new IntroMenu());
// Initialize progress bar fill width
function updateProgressBar() {
	var fillPercentage = currentProgress / tapsRequired;
	progressBarFill.width = 1600 * fillPercentage;
	progressText.setText(currentProgress + ' / ' + tapsRequired);
}
function completeLevel() {
	// Add points for completing level
	var levelBonus = currentLevel * 10;
	totalPoints += levelBonus;
	// Play level complete sound
	LK.getSound('levelComplete').play();
	// Flash screen with celebration color
	LK.effects.flashScreen(0x4CAF50, 500);
	// Create level complete effect
	var completeEffect = game.addChild(new LevelCompleteEffect());
	completeEffect.animate();
	// Move to next level
	currentLevel++;
	currentProgress = 0;
	tapsRequired = 10 + (currentLevel - 1) * 5;
	// Unlock new tap color every 5 levels
	if (currentLevel % 5 === 0) {
		var colors = [0xFFD700, 0xFF69B4, 0x00FFFF, 0xFF4500, 0x9370DB, 0x32CD32];
		tapEffectColor = colors[Math.floor(currentLevel / 5) % colors.length];
		storage.tapEffectColor = tapEffectColor;
	}
	// Update UI
	levelText.setText('Level ' + currentLevel);
	pointsText.setText('Points: ' + totalPoints);
	updateProgressBar();
	// Save progress
	storage.level = currentLevel;
	storage.progress = currentProgress;
	storage.totalPoints = totalPoints;
}
function getChallengeRequirement(challengeIndex) {
	switch (challengeIndex) {
		case 0:
			return 100;
		// Speed Demon: 100 taps
		case 1:
			return 50 * (10 + 49 * 5);
		// Marathon: reach level 50
		case 2:
			return 5;
		// Color Master: unlock 5 colors (every 5 levels)
		case 3:
			return 7;
		// Dedication: 7 days (simplified to 7 taps for demo)
		case 4:
			return 10000;
		// Tap God: 10,000 taps
		default:
			return 100;
	}
}
function checkChallengeCompletion() {
	if (currentChallenge === null) return;
	var completed = false;
	var challengeIndex = currentChallenge;
	switch (challengeIndex) {
		case 0:
			// Speed Demon: 100 taps in 30 seconds
			if (challengeTapCount >= 100 && Date.now() - challengeStartTime <= 30000) {
				completed = true;
				totalPoints += 500;
			}
			break;
		case 1:
			// Marathon: reach level 50
			if (currentLevel >= 50) {
				completed = true;
				totalPoints += 1000;
			}
			break;
		case 2:
			// Color Master: unlock all tap colors (5 colors)
			if (currentLevel >= 25) {
				// 5 colors unlocked at levels 5, 10, 15, 20, 25
				completed = true;
				totalPoints += 100;
			}
			break;
		case 3:
			// Dedication: simplified to 7 taps for demo
			if (challengeTapCount >= 7) {
				completed = true;
				totalPoints += 2000;
			}
			break;
		case 4:
			// Tap God: 10,000 total taps
			if (challengeTapCount >= 10000) {
				completed = true;
				totalPoints += 5000;
			}
			break;
	}
	if (completed && completedChallenges.indexOf(challengeIndex) === -1) {
		completedChallenges.push(challengeIndex);
		storage.completedChallenges = completedChallenges;
		storage.totalPoints = totalPoints;
		LK.effects.flashScreen(0xFFD700, 1000);
		LK.getSound('levelComplete').play();
		// Show completion message
		var completeText = new Text2('CHALLENGE COMPLETED!', {
			size: 80,
			fill: 0xFFD700
		});
		completeText.anchor.set(0.5, 0.5);
		completeText.x = 2048 / 2;
		completeText.y = 2732 / 2 - 200;
		game.addChild(completeText);
		LK.setTimeout(function () {
			completeText.destroy();
		}, 3000);
	}
}
function createTapEffect(x, y) {
	var particle = game.addChild(new TapParticle());
	// Update particle color based on current theme
	particle.children[0].tint = tapEffectColor;
	particle.animate(x, y);
}
// Progress bar will be initialized when main game starts
// Game input handling
game.down = function (x, y, obj) {
	// Only handle taps when in playing or challenge playing state
	if (gameState !== 'playing' && gameState !== 'challenge_playing') return;
	// Increment progress
	currentProgress++;
	// Track challenge taps
	if (gameState === 'challenge_playing') {
		challengeTapCount++;
	}
	// Play tap sound
	LK.getSound('tapSound').play();
	// Create tap effect at touch position
	createTapEffect(x, y);
	// Small screen flash for feedback
	LK.effects.flashScreen(0xffffff, 100);
	// Update progress bar
	updateProgressBar();
	// Check if level is complete
	if (currentProgress >= tapsRequired) {
		completeLevel();
	}
	// Check challenge completion
	if (gameState === 'challenge_playing') {
		checkChallengeCompletion();
	}
	// Save progress every 10 taps
	if (currentProgress % 10 === 0) {
		storage.progress = currentProgress;
	}
};
// Animate tap instruction text
var instructionPulse = 0;
game.update = function () {
	if ((gameState === 'playing' || gameState === 'challenge_playing') && tapInstructionText) {
		// Pulse the instruction text
		instructionPulse += 0.1;
		tapInstructionText.alpha = 0.7 + Math.sin(instructionPulse) * 0.3;
		// Save progress periodically
		if (LK.ticks % 300 === 0) {
			// Every 5 seconds
			storage.level = currentLevel;
			storage.progress = currentProgress;
			storage.totalPoints = totalPoints;
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -64,42 +64,81 @@
 	}];
 	for (var i = 0; i < challenges.length; i++) {
 		var challenge = challenges[i];
 		var yPos = 600 + i * 200;
+		var isCompleted = completedChallenges.indexOf(i) !== -1;
 		// Challenge background
 		var challengeBg = self.attachAsset('challengeItem', {
 			anchorX: 0.5,
 			anchorY: 0.5,
 			x: 2048 / 2,
-			y: yPos
+			y: yPos,
+			alpha: isCompleted ? 0.5 : 1
 		});
+		// Store challenge index for click handler
+		challengeBg.challengeIndex = i;
+		challengeBg.isCompleted = isCompleted;
 		// Challenge title
 		var challengeTitle = new Text2(challenge.title, {
 			size: 60,
-			fill: 0xFFD700
+			fill: isCompleted ? 0x888888 : 0xFFD700
 		});
 		challengeTitle.anchor.set(0.5, 0);
 		challengeTitle.x = 2048 / 2;
 		challengeTitle.y = yPos - 50;
 		self.addChild(challengeTitle);
 		// Challenge description
 		var challengeDesc = new Text2(challenge.desc, {
 			size: 45,
-			fill: 0xCCCCCC
+			fill: isCompleted ? 0x666666 : 0xCCCCCC
 		});
 		challengeDesc.anchor.set(0.5, 0);
 		challengeDesc.x = 2048 / 2;
 		challengeDesc.y = yPos - 10;
 		self.addChild(challengeDesc);
 		// Challenge reward
 		var challengeReward = new Text2('Reward: ' + challenge.reward, {
 			size: 40,
-			fill: 0x4CAF50
+			fill: isCompleted ? 0x666666 : 0x4CAF50
 		});
 		challengeReward.anchor.set(0.5, 0);
 		challengeReward.x = 2048 / 2;
 		challengeReward.y = yPos + 30;
 		self.addChild(challengeReward);
+		// Check mark for completed challenges
+		if (isCompleted) {
+			var checkMark = self.attachAsset('checkMark', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				x: 2048 / 2 + 850,
+				y: yPos
+			});
+		}
+		// Challenge click handler
+		if (!isCompleted) {
+			challengeBg.down = function (x, y, obj) {
+				LK.getSound('menuClick').play();
+				currentChallenge = this.challengeIndex;
+				gameState = 'challenge_playing';
+				// Initialize challenge-specific variables
+				challengeStartTime = Date.now();
+				challengeTapCount = 0;
+				currentLevel = 1;
+				currentProgress = 0;
+				tapsRequired = getChallengeRequirement(currentChallenge);
+				tween(self, {
+					alpha: 0,
+					scaleX: 0.8,
+					scaleY: 0.8
+				}, {
+					duration: 300,
+					onFinish: function onFinish() {
+						self.destroy();
+						initializeMainGame();
+					}
+				});
+			};
+		}
 	}
 	// Back button click handler
 	backButton.down = function (x, y, obj) {
 		LK.getSound('menuClick').play();
@@ -306,8 +345,115 @@
 		});
 	};
 	return self;
 });
+var PauseMenu = Container.expand(function () {
+	var self = Container.call(this);
+	// Semi-transparent overlay
+	var overlay = LK.getAsset('pauseMenuBg', {
+		anchorX: 0,
+		anchorY: 0,
+		x: 0,
+		y: 0,
+		width: 2048,
+		height: 2732,
+		alpha: 0.8
+	});
+	self.addChild(overlay);
+	// Menu background
+	var menuBg = self.attachAsset('pauseMenuBg', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 2048 / 2,
+		y: 2732 / 2
+	});
+	// Title
+	var titleText = new Text2('PAUSED', {
+		size: 80,
+		fill: 0xFFFFFF
+	});
+	titleText.anchor.set(0.5, 0.5);
+	titleText.x = 2048 / 2;
+	titleText.y = 2732 / 2 - 150;
+	self.addChild(titleText);
+	// Resume button
+	var resumeButton = self.attachAsset('pauseMenuButton', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 2048 / 2,
+		y: 2732 / 2 - 50
+	});
+	var resumeText = new Text2('RESUME', {
+		size: 50,
+		fill: 0xFFFFFF
+	});
+	resumeText.anchor.set(0.5, 0.5);
+	resumeText.x = 2048 / 2;
+	resumeText.y = 2732 / 2 - 50;
+	self.addChild(resumeText);
+	// Main menu button
+	var mainMenuButton = self.attachAsset('pauseMenuButton', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 2048 / 2,
+		y: 2732 / 2 + 30
+	});
+	var mainMenuText = new Text2('MAIN MENU', {
+		size: 50,
+		fill: 0xFFFFFF
+	});
+	mainMenuText.anchor.set(0.5, 0.5);
+	mainMenuText.x = 2048 / 2;
+	mainMenuText.y = 2732 / 2 + 30;
+	self.addChild(mainMenuText);
+	// Quit button
+	var quitButton = self.attachAsset('pauseMenuButton', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 2048 / 2,
+		y: 2732 / 2 + 110
+	});
+	var quitText = new Text2('QUIT', {
+		size: 50,
+		fill: 0xFFFFFF
+	});
+	quitText.anchor.set(0.5, 0.5);
+	quitText.x = 2048 / 2;
+	quitText.y = 2732 / 2 + 110;
+	self.addChild(quitText);
+	// Button handlers
+	resumeButton.down = function () {
+		LK.getSound('menuClick').play();
+		LK.resume();
+		self.destroy();
+	};
+	mainMenuButton.down = function () {
+		LK.getSound('menuClick').play();
+		LK.resume();
+		gameState = 'intro';
+		// Clear current game elements
+		if (levelText) levelText.destroy();
+		if (progressBarBg) progressBarBg.destroy();
+		if (progressBarFill) progressBarFill.destroy();
+		if (progressText) progressText.destroy();
+		if (pointsText) pointsText.destroy();
+		if (tapInstructionText) tapInstructionText.destroy();
+		levelText = null;
+		progressBarBg = null;
+		progressBarFill = null;
+		progressText = null;
+		pointsText = null;
+		tapInstructionText = null;
+		self.destroy();
+		introMenu = game.addChild(new IntroMenu());
+	};
+	quitButton.down = function () {
+		LK.getSound('menuClick').play();
+		LK.resume();
+		LK.showGameOver();
+	};
+	return self;
+});
 var TapParticle = Container.expand(function () {
 	var self = Container.call(this);
 	var particle = self.attachAsset('tapParticle', {
 		anchorX: 0.5,
@@ -348,16 +494,21 @@
 /**** 
 * Game Code
 ****/ 
 // Game state management
-var gameState = 'intro'; // 'intro', 'playing', or 'challenges'
+var gameState = 'intro'; // 'intro', 'playing', 'challenges', or 'challenge_playing'
 var introMenu = null;
+var currentChallenge = null;
 // Game variables
 var currentLevel = storage.level || 1;
 var currentProgress = storage.progress || 0;
 var tapsRequired = 10 + (currentLevel - 1) * 5; // Each level needs 5 more taps
 var totalPoints = storage.totalPoints || 0;
 var tapEffectColor = storage.tapEffectColor || 0xFFD700;
+// Challenge completion tracking
+var completedChallenges = storage.completedChallenges || [];
+var challengeStartTime = 0;
+var challengeTapCount = 0;
 // UI Elements (will be created when main game starts)
 var levelText = null;
 var progressBarBg = null;
 var progressBarFill = null;
@@ -412,8 +563,16 @@
 	// Initialize progress bar display
 	updateProgressBar();
 }
 ;
+// Override pause button to show custom pause menu
+LK.onPause = function () {
+	if (gameState === 'playing' || gameState === 'challenge_playing') {
+		var pauseMenu = game.addChild(new PauseMenu());
+		return false; // Prevent default pause behavior
+	}
+	return true; // Allow default behavior for other states
+};
 // Initialize intro menu immediately when game starts
 introMenu = game.addChild(new IntroMenu());
 // Initialize progress bar fill width
 function updateProgressBar() {
@@ -450,8 +609,91 @@
 	storage.level = currentLevel;
 	storage.progress = currentProgress;
 	storage.totalPoints = totalPoints;
 }
+function getChallengeRequirement(challengeIndex) {
+	switch (challengeIndex) {
+		case 0:
+			return 100;
+		// Speed Demon: 100 taps
+		case 1:
+			return 50 * (10 + 49 * 5);
+		// Marathon: reach level 50
+		case 2:
+			return 5;
+		// Color Master: unlock 5 colors (every 5 levels)
+		case 3:
+			return 7;
+		// Dedication: 7 days (simplified to 7 taps for demo)
+		case 4:
+			return 10000;
+		// Tap God: 10,000 taps
+		default:
+			return 100;
+	}
+}
+function checkChallengeCompletion() {
+	if (currentChallenge === null) return;
+	var completed = false;
+	var challengeIndex = currentChallenge;
+	switch (challengeIndex) {
+		case 0:
+			// Speed Demon: 100 taps in 30 seconds
+			if (challengeTapCount >= 100 && Date.now() - challengeStartTime <= 30000) {
+				completed = true;
+				totalPoints += 500;
+			}
+			break;
+		case 1:
+			// Marathon: reach level 50
+			if (currentLevel >= 50) {
+				completed = true;
+				totalPoints += 1000;
+			}
+			break;
+		case 2:
+			// Color Master: unlock all tap colors (5 colors)
+			if (currentLevel >= 25) {
+				// 5 colors unlocked at levels 5, 10, 15, 20, 25
+				completed = true;
+				totalPoints += 100;
+			}
+			break;
+		case 3:
+			// Dedication: simplified to 7 taps for demo
+			if (challengeTapCount >= 7) {
+				completed = true;
+				totalPoints += 2000;
+			}
+			break;
+		case 4:
+			// Tap God: 10,000 total taps
+			if (challengeTapCount >= 10000) {
+				completed = true;
+				totalPoints += 5000;
+			}
+			break;
+	}
+	if (completed && completedChallenges.indexOf(challengeIndex) === -1) {
+		completedChallenges.push(challengeIndex);
+		storage.completedChallenges = completedChallenges;
+		storage.totalPoints = totalPoints;
+		LK.effects.flashScreen(0xFFD700, 1000);
+		LK.getSound('levelComplete').play();
+		// Show completion message
+		var completeText = new Text2('CHALLENGE COMPLETED!', {
+			size: 80,
+			fill: 0xFFD700
+		});
+		completeText.anchor.set(0.5, 0.5);
+		completeText.x = 2048 / 2;
+		completeText.y = 2732 / 2 - 200;
+		game.addChild(completeText);
+		LK.setTimeout(function () {
+			completeText.destroy();
+		}, 3000);
+	}
+}
 function createTapEffect(x, y) {
 	var particle = game.addChild(new TapParticle());
 	// Update particle color based on current theme
 	particle.children[0].tint = tapEffectColor;
@@ -459,12 +701,16 @@
 }
 // Progress bar will be initialized when main game starts
 // Game input handling
 game.down = function (x, y, obj) {
-	// Only handle taps when in playing state
-	if (gameState !== 'playing') return;
+	// Only handle taps when in playing or challenge playing state
+	if (gameState !== 'playing' && gameState !== 'challenge_playing') return;
 	// Increment progress
 	currentProgress++;
+	// Track challenge taps
+	if (gameState === 'challenge_playing') {
+		challengeTapCount++;
+	}
 	// Play tap sound
 	LK.getSound('tapSound').play();
 	// Create tap effect at touch position
 	createTapEffect(x, y);
@@ -475,17 +721,21 @@
 	// Check if level is complete
 	if (currentProgress >= tapsRequired) {
 		completeLevel();
 	}
+	// Check challenge completion
+	if (gameState === 'challenge_playing') {
+		checkChallengeCompletion();
+	}
 	// Save progress every 10 taps
 	if (currentProgress % 10 === 0) {
 		storage.progress = currentProgress;
 	}
 };
 // Animate tap instruction text
 var instructionPulse = 0;
 game.update = function () {
-	if (gameState === 'playing' && tapInstructionText) {
+	if ((gameState === 'playing' || gameState === 'challenge_playing') && tapInstructionText) {
 		// Pulse the instruction text
 		instructionPulse += 0.1;
 		tapInstructionText.alpha = 0.7 + Math.sin(instructionPulse) * 0.3;
 		// Save progress periodically