/**** 
* Classes
****/ 
// Cactus class to represent the randomly spawned Cactus
var Cactus = Container.expand(function () {
	var self = Container.call(this);
	var cactusGraphics = self.attachAsset('Cactus', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.update = function () {
		self.y += self.speed;
	};
});
//<Assets used in the game will automatically appear here>
// DuneBuggy class to represent the player's vehicle
var DuneBuggy = Container.expand(function () {
	var self = Container.call(this);
	var buggyGraphics = self.attachAsset('duneBuggy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		// Update logic for the buggy, if needed
	};
});

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

/**** 
* Game Code
****/ 
var duneBuggy = game.addChild(new DuneBuggy());
duneBuggy.x = 2048 / 2;
duneBuggy.y = 2732 - 200;
var obstacles = [];
var supplies = [];
var score = 0;
var scoreTxt = new Text2('Distance: 0', {
	size: 100,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var fuelTxt = new Text2('Fuel:', {
	size: 100,
	fill: "#ffffff"
});
fuelTxt.anchor.set(0.5, 0);
fuelTxt.y = scoreTxt.height;
LK.gui.top.addChild(fuelTxt);
var tiresTxt = new Text2('Tires:', {
	size: 100,
	fill: "#ffffff"
});
tiresTxt.anchor.set(0.5, 0);
tiresTxt.y = scoreTxt.height + fuelTxt.height;
LK.gui.top.addChild(tiresTxt);
var distance = 0;
var fuel = 15;
var tires = 100;
fuelTxt.setText('Fuel: ' + fuel + ' Gallons');
game.update = function () {
	if (LK.ticks % 60 == 0) {
		distance += 0.1;
		scoreTxt.setText('Distance: ' + distance.toFixed(1));
		if (distance % 2 < 0.1) {
			fuel -= 1;
			fuelTxt.setText('Fuel: ' + fuel + ' Gallons');
			if (fuel <= 0) {
				LK.showGameOver();
			}
		}
		// Spawn Cactus randomly from the top
		if (LK.ticks % 35 == 0) {
			var cactus = new Cactus();
			cactus.x = Math.random() * 2048;
			cactus.y = 0;
			game.addChild(cactus);
		}
		// Check for collision between duneBuggy and Cactus
		for (var i = game.children.length - 1; i >= 0; i--) {
			if (game.children[i] instanceof Cactus) {
				if (duneBuggy.intersects(game.children[i])) {
					tires -= 3; // decrease tires by 3%
					tiresTxt.setText('Tires: ' + tires + '%'); // update tires text
					if (tires <= 0) {
						LK.showGameOver(); // game over if tires reach 0
					}
					game.children[i].destroy(); // destroy Cactus on collision
					return; // return after destroying Cactus to prevent accessing it after destruction
				} else if (game.children[i].y > 2732) {
					game.children[i].destroy(); // destroy Cactus if it leaves the screen
				}
			}
		}
	}
};
game.down = function (x, y, obj) {
	duneBuggy.x = x;
};
game.move = function (x, y, obj) {
	duneBuggy.x = x;
};
game.up = function (x, y, obj) {
	// No action needed on up event
};

===================================================================
--- original.js
+++ change.js
@@ -1,11 +1,11 @@
 /**** 
 * Classes
 ****/ 
-// Bighorn class to represent the randomly spawned Bighorn
-var Bighorn = Container.expand(function () {
+// Cactus class to represent the randomly spawned Cactus
+var Cactus = Container.expand(function () {
 	var self = Container.call(this);
-	var bighornGraphics = self.attachAsset('Bighorn', {
+	var cactusGraphics = self.attachAsset('Cactus', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.speed = 15;
@@ -77,28 +77,28 @@
 			if (fuel <= 0) {
 				LK.showGameOver();
 			}
 		}
-		// Spawn Bighorn randomly from the top
-		if (LK.ticks % 25 == 0) {
-			var bighorn = new Bighorn();
-			bighorn.x = Math.random() * 2048;
-			bighorn.y = 0;
-			game.addChild(bighorn);
+		// Spawn Cactus randomly from the top
+		if (LK.ticks % 35 == 0) {
+			var cactus = new Cactus();
+			cactus.x = Math.random() * 2048;
+			cactus.y = 0;
+			game.addChild(cactus);
 		}
-		// Check for collision between duneBuggy and Bighorn
+		// Check for collision between duneBuggy and Cactus
 		for (var i = game.children.length - 1; i >= 0; i--) {
-			if (game.children[i] instanceof Bighorn) {
+			if (game.children[i] instanceof Cactus) {
 				if (duneBuggy.intersects(game.children[i])) {
 					tires -= 3; // decrease tires by 3%
 					tiresTxt.setText('Tires: ' + tires + '%'); // update tires text
 					if (tires <= 0) {
 						LK.showGameOver(); // game over if tires reach 0
 					}
-					game.children[i].destroy(); // destroy Bighorn on collision
-					return; // return after destroying Bighorn to prevent accessing it after destruction
+					game.children[i].destroy(); // destroy Cactus on collision
+					return; // return after destroying Cactus to prevent accessing it after destruction
 				} else if (game.children[i].y > 2732) {
-					game.children[i].destroy(); // destroy Bighorn if it leaves the screen
+					game.children[i].destroy(); // destroy Cactus if it leaves the screen
 				}
 			}
 		}
 	}