/**** 
* Classes
****/
var Debris = Container.expand(function () {
	var self = Container.call(this);
	var debrisGraphics = self.attachAsset('debris', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 5 + 2;
	self.direction = {
		x: Math.random() * 2 - 1,
		y: Math.random() * 2 - 1
	};
	self.move = function () {
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		self.speed *= 0.98; // Debris slows down over time
		if (self.speed < 0.5) {
			self.destroy(); // Destroy debris when it's slow enough
		}
	};
});
var Meteorite = Container.expand(function () {
	var self = Container.call(this);
	var meteoriteGraphics = self.attachAsset('meteorite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 3 + 1;
	self.direction = {
		x: Math.random() * 2 - 1,
		y: Math.random() * 2 - 1
	};
	self.move = function () {
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
	};
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 5 + 1;
	self.move = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -self.height;
			self.x = Math.random() * 2048;
			self.speed = Math.random() * 5 + 1;
		}
	};
});
var Astronaut = Container.expand(function () {
	var self = Container.call(this);
	var astronautGraphics = self.attachAsset('astronaut', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.jump = function () {
		if (!this.hasJumped) {
			this.direction = {
				x: Math.sin(self.rotation),
				y: -Math.cos(self.rotation)
			};
			this.hasJumped = true;
			this.firstJump = true;
		}
	};
	self.hasJumped = false;
	self.firstJump = false;
	self.score = 0;
	self.lastHouse = null;
	self.scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff",
		weight: 800,
		dropShadow: true,
		dropShadowColor: '#000000',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 6
	});
	self.scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(self.scoreTxt);
	self.move = function (houses) {
		if (self.hasJumped) {
			self.x += self.direction.x * self.speed;
			self.y += self.direction.y * self.speed;
			for (var i = 0; i < houses.length; i++) {
				var dx = self.x - houses[i].x;
				var dy = self.y - houses[i].y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < astronautGraphics.width / 2 + houses[i].width / 2 && houses[i] !== self.lastHouse) {
					self.hasJumped = false;
					self.lastHouse = houses[i];
					self.currentHouse = houses[i];
					self.rotationOffset = Math.atan2(dy, dx) - houses[i].rotation;
					self.score += 1;
					self.scoreTxt.setText(self.score);
					if (!houses[i].bomb) {
						houses[i].bomb = new Bomb();
						houses[i].addChild(houses[i].bomb);
						houses[i].bomb.startTimer();
					}
					break;
				}
			}
		}
		if (!self.hasJumped && self.currentHouse) {
			var angle = self.currentHouse.rotation + self.rotationOffset;
			self.x = self.currentHouse.x + Math.cos(angle) * (self.currentHouse.width / 2 + astronautGraphics.height / 2);
			self.y = self.currentHouse.y + Math.sin(angle) * (self.currentHouse.width / 2 + astronautGraphics.height / 2);
			self.rotation = angle + Math.PI / 2;
		}
	};
});
var House = Container.expand(function () {
	var self = Container.call(this);
	var randomHouseIndex = Math.floor(Math.random() * houseAssets.length);
	var houseGraphics = self.createAsset(houseAssets[randomHouseIndex], {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.rotationStep = Math.random() * 0.02 - 0.01;
	if (self.rotationStep > 0 && self.rotationStep < 0.01) {
		self.rotationStep = 0.01;
	}
	if (self.rotationStep < 0 && self.rotationStep > -0.01) {
		self.rotationStep = -0.01;
	}
});
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	var bombGraphics = self.attachAsset('bomb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.timer = null;
	self.explode = function () {
		// Explosion effect can be added here
		var meteorites = self.parent.children.filter(function (child) {
			return child instanceof Meteorite && self.intersects(child);
		});
		meteorites.forEach(function (meteorite) {
			for (var i = 0; i < 5; i++) {
				// Create 5 debris particles
				var debris = new Debris();
				debris.x = meteorite.x;
				debris.y = meteorite.y;
				self.parent.addChild(debris);
			}
			meteorite.destroy(); // Destroy the meteorite
		});
		// self.destroy(); // Do not destroy the bomb after explosion
	};
	self.startTimer = function () {
		self.timer = LK.setTimeout(self.explode, 15000);
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/
var gameContainer = new Container();
game.addChild(gameContainer);
var stars = [];
game.spawnStar = function () {
	var newStar = new Star();
	newStar.x = Math.random() * 2048;
	newStar.y = Math.random() * 2732;
	gameContainer.addChildAt(newStar, gameContainer.children.length > 1 ? 1 : 0);
};
for (var i = 0; i < 50; i++) {
	game.spawnStar();
}
var houseAssets = ['house1', 'house2', 'house3', 'house4', 'house5', 'house6', 'house7', 'house8', 'house9', 'house10'];
var background = game.attachAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5
});
background.x = 2048 / 2;
background.y = 2732 / 2;
background.speed = 2;
background.move = function () {
	this.y += this.speed;
	if (this.y >= 2732) {
		this.y = 0;
	}
};
game.addChildAt(background, 0);
game.setBackgroundColor(0x000000);
var gameContainer = new Container();
game.addChild(gameContainer);
var astronaut = gameContainer.addChild(new Astronaut());
astronaut.x = 2048 / 2;
astronaut.y = 2732 - 300;
var houses = [];
var houseSpeed = -2;
var speedIncreaseInterval = 300; // Interval in ticks to increase speed
var speedIncreaseAmount = -0.2; // Amount to increase speed
game.spawnHouse = function () {
	var newHouse = new House();
	newHouse.rotation = Math.random() * Math.PI * 2;
	newHouse.scale.set(Math.random() * 0.5 + 0.5);
	if (houses.length === 0) {
		newHouse.x = 2048 / 2;
		newHouse.y = 2732 / 2;
	} else {
		var lastHouseY = houses[houses.length - 1].y;
		var gameHeightThird = 2732 / 3;
		newHouse.y = lastHouseY - (Math.random() * gameHeightThird + gameHeightThird);
		newHouse.x = Math.random() * (2048 - 600) + 300;
	}
	houses.push(newHouse);
	gameContainer.addChildAt(newHouse, 0);
};
game.spawnStar = function () {
	var newStar = new Star();
	newStar.x = Math.random() * 2048;
	newStar.y = Math.random() * 2732;
	gameContainer.addChildAt(newStar, 1);
};
var isGameOver = false;
for (var i = 0; i < 12; i++) {
	game.spawnHouse();
}
game.on('down', function (obj) {
	astronaut.jump();
});
var tickOffset = 0;
LK.on('tick', function () {
	if (isGameOver) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	} else {
		if (LK.ticks % speedIncreaseInterval === 0) {
			houseSpeed += speedIncreaseAmount;
		}
		background.move();
		astronaut.move(houses);
		for (var s = 0; s < gameContainer.children.length; s++) {
			if (gameContainer.children[s] instanceof Star) {
				gameContainer.children[s].move();
			}
		}
	}
	for (var a = houses.length - 1; a >= 0; a--) {
		if (astronaut.firstJump) {
			houses[a].y -= houseSpeed;
		}
		houses[a].rotation += houses[a].rotationStep;
		if (houses[a].x < -50 || houses[a].y > 2732 + houses[a].height) {
			houses[a].destroy();
			houses.splice(a, 1);
			game.spawnHouse();
		}
	}
	var astronautScreenX = astronaut.x;
	var astronautScreenY = astronaut.y + gameContainer.y;
	if ((astronautScreenX < 0 || astronautScreenX > 2048 || astronautScreenY < 0) && astronaut.hasJumped || astronaut.y > 2732) {
		isGameOver = true;
	}
});

===================================================================
--- original.js
+++ change.js
@@ -206,8 +206,10 @@
 astronaut.x = 2048 / 2;
 astronaut.y = 2732 - 300;
 var houses = [];
 var houseSpeed = -2;
+var speedIncreaseInterval = 300; // Interval in ticks to increase speed
+var speedIncreaseAmount = -0.2; // Amount to increase speed
 game.spawnHouse = function () {
 	var newHouse = new House();
 	newHouse.rotation = Math.random() * Math.PI * 2;
 	newHouse.scale.set(Math.random() * 0.5 + 0.5);
@@ -241,8 +243,11 @@
 	if (isGameOver) {
 		LK.effects.flashScreen(0xff0000, 1000);
 		LK.showGameOver();
 	} else {
+		if (LK.ticks % speedIncreaseInterval === 0) {
+			houseSpeed += speedIncreaseAmount;
+		}
 		background.move();
 		astronaut.move(houses);
 		for (var s = 0; s < gameContainer.children.length; s++) {
 			if (gameContainer.children[s] instanceof Star) {