===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,216 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// IceBlock class: represents a tappable ice block (good or bad)
+var IceBlock = Container.expand(function () {
+	var self = Container.call(this);
+	// Properties
+	self.isGood = true; // true = good, false = bad
+	// Attach asset (default to good, can be changed)
+	var blockAsset = null;
+	// Set up block type and visuals
+	self.setType = function (isGood) {
+		self.isGood = isGood;
+		if (blockAsset) {
+			blockAsset.destroy();
+		}
+		blockAsset = self.attachAsset(isGood ? 'ice_good' : 'ice_bad', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+	};
+	// Animate in (pop effect)
+	self.popIn = function () {
+		self.scaleX = 0.5;
+		self.scaleY = 0.5;
+		tween(self, {
+			scaleX: 1,
+			scaleY: 1
+		}, {
+			duration: 120,
+			easing: tween.easeOut
+		});
+	};
+	// Handle tap
+	self.down = function (x, y, obj) {
+		if (self.isGood) {
+			// Good block tapped: score up, pop, remove
+			LK.setScore(LK.getScore() + 1);
+			scoreTxt.setText(LK.getScore());
+			// Animate pop out
+			tween(self, {
+				scaleX: 1.3,
+				scaleY: 1.3,
+				alpha: 0
+			}, {
+				duration: 120,
+				easing: tween.easeIn,
+				onFinish: function onFinish() {
+					self.destroy();
+					// Remove from array in main game
+					for (var i = iceBlocks.length - 1; i >= 0; i--) {
+						if (iceBlocks[i] === self) {
+							iceBlocks.splice(i, 1);
+							break;
+						}
+					}
+				}
+			});
+		} else {
+			// Bad block tapped: game over
+			LK.effects.flashScreen(0xff0000, 600);
+			LK.showGameOver();
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1a2a3a
+});
+
+/**** 
+* Game Code
+****/ 
+// Bad ice block: red box
+// Good ice block: white box
+// Score display
+var scoreTxt = new Text2('0', {
+	size: 140,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Array to hold active ice blocks
+var iceBlocks = [];
+// Block spawn timing
+var spawnInterval = 900; // ms, will decrease as score increases
+var minInterval = 350; // ms, minimum spawn interval
+var spawnTimer = null;
+// Block lifetime (how long before it disappears if not tapped)
+var blockLifetime = 1200; // ms
+// Block spawn area (avoid top 200px and bottom 200px, and left 100px for menu)
+var marginTop = 200;
+var marginBottom = 200;
+var marginLeft = 120;
+var marginRight = 120;
+// Block size (get from asset)
+var blockSize = 180;
+// Helper: spawn a new block
+function spawnBlock() {
+	// Decide if good or bad block (80% good, 20% bad)
+	var isGood = Math.random() < 0.8;
+	var block = new IceBlock();
+	block.setType(isGood);
+	// Random position (avoid overlap with menu and edges)
+	var x = marginLeft + blockSize / 2 + Math.random() * (2048 - marginLeft - marginRight - blockSize);
+	var y = marginTop + blockSize / 2 + Math.random() * (2732 - marginTop - marginBottom - blockSize);
+	block.x = x;
+	block.y = y;
+	block.alpha = 1;
+	block.scaleX = 1;
+	block.scaleY = 1;
+	// Animate in
+	block.popIn();
+	// Add to game and array
+	game.addChild(block);
+	iceBlocks.push(block);
+	// Remove after lifetime if not tapped
+	block._timeout = LK.setTimeout(function () {
+		// If still present, remove (only for good blocks, bad blocks just fade)
+		for (var i = iceBlocks.length - 1; i >= 0; i--) {
+			if (iceBlocks[i] === block) {
+				// Animate fade out
+				tween(block, {
+					alpha: 0
+				}, {
+					duration: 120,
+					onFinish: function onFinish() {
+						block.destroy();
+					}
+				});
+				iceBlocks.splice(i, 1);
+				break;
+			}
+		}
+	}, blockLifetime);
+}
+// Helper: clear all blocks (on game over)
+function clearBlocks() {
+	for (var i = iceBlocks.length - 1; i >= 0; i--) {
+		var block = iceBlocks[i];
+		if (block._timeout) LK.clearTimeout(block._timeout);
+		block.destroy();
+		iceBlocks.splice(i, 1);
+	}
+}
+// Handle tap anywhere: check if tap is on a block
+game.down = function (x, y, obj) {
+	// Check from topmost to bottom
+	for (var i = iceBlocks.length - 1; i >= 0; i--) {
+		var block = iceBlocks[i];
+		// Use .containsPoint to check if tap is inside block
+		// Since we don't have .containsPoint, check distance to center
+		var dx = x - block.x;
+		var dy = y - block.y;
+		if (dx * dx + dy * dy < blockSize / 2 * (blockSize / 2)) {
+			// Forward event to block
+			block.down(x, y, obj);
+			return;
+		}
+	}
+	// Tapped empty space: do nothing
+};
+// Game update: not needed for this game, but required for block lifetime
+game.update = function () {
+	// Increase difficulty: decrease spawn interval as score increases
+	var score = LK.getScore();
+	var newInterval = spawnInterval;
+	if (score < 10) {
+		newInterval = 900;
+	} else if (score < 20) {
+		newInterval = 750;
+	} else if (score < 35) {
+		newInterval = 600;
+	} else if (score < 50) {
+		newInterval = 500;
+	} else {
+		newInterval = 400;
+	}
+	if (newInterval !== spawnInterval) {
+		spawnInterval = newInterval;
+		// Restart timer
+		if (spawnTimer) LK.clearInterval(spawnTimer);
+		spawnTimer = LK.setInterval(spawnBlock, spawnInterval);
+	}
+};
+// Start game: reset score, clear blocks, start spawning
+function startGame() {
+	LK.setScore(0);
+	scoreTxt.setText('0');
+	clearBlocks();
+	if (spawnTimer) LK.clearInterval(spawnTimer);
+	spawnInterval = 900;
+	spawnTimer = LK.setInterval(spawnBlock, spawnInterval);
+	// Spawn first block immediately
+	spawnBlock();
+}
+// On game over, clear blocks and stop timer
+LK.on('gameover', function () {
+	clearBlocks();
+	if (spawnTimer) LK.clearInterval(spawnTimer);
+});
+// On game start (including after restart)
+LK.on('gamestart', function () {
+	startGame();
+});
+// Start the game for the first time
+startGame();
\ No newline at end of file