===================================================================
--- original.js
+++ change.js
@@ -23,30 +23,23 @@
 });
 var Collectable = Container.expand(function () {
 	var self = Container.call(this);
 	self.speed = 30;
-	self.isCollected = false;
 	self.update = function () {
 		self.x -= self.speed;
 		if (self.x < -self.width) {
 			self.destroy();
 		}
 	};
-	self.onCollect = function () {
-		// To be overridden in subclasses
-	};
-	self.destroy = function () {
-		self.parent.removeChild(self);
-	};
 });
 var Shield = Collectable.expand(function () {
 	var self = Collectable.call(this);
 	var shieldGraphics = self.attachAsset('shield', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.onCollect = function () {
-		// Activate shield effect
+	self.effect = function () {
+		// Make the ninja invincible for a short duration
 		ninja.invincible = true;
 		var shieldEffect = game.addChild(LK.getAsset('shieldEffect', {
 			anchorX: 0.5,
 			anchorY: 0.5,
@@ -55,44 +48,39 @@
 		}));
 		LK.setTimeout(function () {
 			ninja.invincible = false;
 			shieldEffect.destroy();
-		}, 10000);
-		self.destroy();
+		}, 5000);
 	};
 });
 var Life = Collectable.expand(function () {
 	var self = Collectable.call(this);
 	var lifeGraphics = self.attachAsset('life', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.onCollect = function () {
-		// Increase number of lives
+	self.effect = function () {
+		// Add an extra life
 		ninja.lives++;
-		// Update lives display
 		var life = game.addChild(new Life());
 		life.x = 100 + (ninja.lives - 1) * 100;
 		life.y = path1.y - 150;
 		game.setChildIndex(life, game.children.length - 1);
-		self.destroy();
 	};
 });
 var Coin = Collectable.expand(function () {
 	var self = Collectable.call(this);
 	var coinGraphics = self.attachAsset('coin', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.onCollect = function () {
-		// Increase coin counter
+	self.effect = function () {
+		// Increase coin counter and temporarily double the score multiplier
 		ninja.coins++;
-		// Double score multiplier for a set duration
-		ninja.scoreMultiplier *= 2;
+		ninja.scoreMultiplier = 2;
 		LK.setTimeout(function () {
-			ninja.scoreMultiplier /= 2;
+			ninja.scoreMultiplier = 1;
 		}, 5000);
-		self.destroy();
 	};
 });
 var Dash = Container.expand(function () {
 	var self = Container.call(this);
@@ -166,8 +154,12 @@
 			}
 		}
 		scoreTxt.setText(ninja.distanceTraveled + 'm'); // Update the score display
 		for (var i = 0; i < game.children.length; i++) {
+			if (game.children[i] instanceof Collectable && self.intersects(game.children[i])) {
+				game.children[i].effect();
+				game.children[i].destroy();
+			}
 			if (game.children[i] instanceof Obstacle && self.intersects(game.children[i]) && !self.invincible) {
 				// Reduce the lives by one
 				self.lives--;
 				// Update the display
@@ -281,10 +273,10 @@
 ninja.y = path2.y - ninja.height;
 ninja.currentPath = 'lower';
 ninja.lives = 3;
 ninja.distanceTraveled = 0; // Initialize distance traveled to 0
-ninja.coins = 0; // Initialize coins to 0
-ninja.scoreMultiplier = 1; // Initialize score multiplier to 1
+ninja.coins = 0; // Initialize coin counter
+ninja.scoreMultiplier = 1; // Initialize score multiplier
 var targetPath;
 // Display the lives a little bit more up in y axis from the upper path
 for (var i = 0; i < ninja.lives; i++) {
 	var life = game.addChild(new Life());
@@ -320,29 +312,14 @@
 };
 game.update = function () {
 	var lastPath = 0;
 	if (LK.ticks % 50 == 0) {
-		// Spawn collectibles
-		if (Math.random() < 0.3) {
-			var newCollectable;
-			var collectableType = Math.random();
-			if (collectableType < 0.6) {
-				newCollectable = new Coin();
-			} else if (collectableType < 0.9) {
-				newCollectable = new Life();
-			} else {
-				newCollectable = new Shield();
-			}
-			newCollectable.x = 2048;
-			newCollectable.y = Math.random() > 0.5 ? path1.y - 50 : path2.y - 50;
-			game.addChild(newCollectable);
-		}
 		var randomPath = Math.random() > 0.5 ? 1 : 2;
 		var spawnDistance = randomPath === lastPath ? 512 : 4096;
 		var obstacleGroupSize = Math.floor(Math.random() * 3) + 1;
 		for (var i = 0; i < obstacleGroupSize; i++) {
 			var newObstacle = new Obstacle();
-			newObstacle.x = 2048 + i * newObstacle.width;
+			newObstacle.x = spawnDistance + i * newObstacle.width;
 			if (randomPath === 1) {
 				newObstacle.y = 2732 / 3 + 80;
 			} else {
 				newObstacle.y = 2732 * 2 / 3 - 80;
@@ -355,15 +332,29 @@
 			game.addChildAt(newObstacle, game.children.length);
 		}
 		lastPath = randomPath;
 	}
+	if (LK.ticks % 100 == 0) {
+		var randomCollectableType = Math.random();
+		var newCollectable;
+		if (randomCollectableType < 0.5) {
+			newCollectable = new Coin();
+		} else if (randomCollectableType < 0.8) {
+			newCollectable = new Life();
+		} else {
+			newCollectable = new Shield();
+		}
+		newCollectable.x = 2048;
+		newCollectable.y = Math.random() > 0.5 ? path1.y - 50 : path2.y - 50;
+		game.addChild(newCollectable);
+	}
 	if (LK.ticks % 20 == 0) {
 		var newPath1 = new Path();
-		newPath1.x = 2048; // Set the x-coordinate to the right edge of the screen
+		newPath1.x = 2048 + 100; // Increase the x-coordinate by 100 to create a gap
 		newPath1.y = 2732 / 3;
 		game.addChild(newPath1);
 		var newPath2 = new Path();
-		newPath2.x = 2048; // Set the x-coordinate to the right edge of the screen
+		newPath2.x = 2048 + 100; // Increase the x-coordinate by 100 to create a gap
 		newPath2.y = 2732 * 2 / 3;
 		game.addChild(newPath2);
 		ninja.distanceTraveled += 100; // Increase distance traveled by 100 meters for each new path
 	}