===================================================================
--- original.js
+++ change.js
@@ -48,8 +48,80 @@
 		buttonGraphics.tint = 0xFFFFFF; // Remove tint
 		self.isPressed = false;
 	});
 });
+var BBall = Container.expand(function (gridX, gridY, width, height) {
+	var self = Container.call(this);
+	self.isBBallJumping = false;
+	self.move = function () {
+		if (self.isBBallJumping || !self.parent) {
+			return;
+		}
+		self.isBBallJumping = true;
+		var tileWidth = 250;
+		var tileHeight = 270;
+		var arcHeight = 150;
+		var direction = Math.random() < 0.5 ? 'downLeft' : 'downRight';
+		var targetX = self.x + (direction === 'downLeft' ? -tileWidth / 2 : tileWidth / 2);
+		var targetY = self.y + tileHeight - 90;
+		var startX = self.x;
+		var startY = self.y;
+		var distanceX = targetX - startX;
+		var distanceY = targetY - startY;
+		var startTime = Date.now();
+		var travelTime = Math.max(175, 500 - 25 * levelManager.completedLevels) + bballTravelTimeAddition;
+		var bballTickHandler = function bballTickHandler() {
+			var currentTime = Date.now();
+			var timeElapsed = currentTime - startTime;
+			if (timeElapsed < travelTime) {
+				var progress = timeElapsed / travelTime;
+				var arcProgress = Math.sin(progress * Math.PI);
+				self.x = startX + distanceX * progress;
+				self.y = startY + distanceY * progress - arcHeight * arcProgress;
+				// Adjust shadow size based on jump arc progress
+				self.shadowGraphics.width = width * 0.8 * (1 - arcProgress * 0.3);
+				self.shadowGraphics.height = height * 0.4 * (1 - arcProgress * 0.3);
+			} else {
+				self.x = targetX;
+				self.y = targetY;
+				LK.off('tick', bballTickHandler);
+				self.isBBallJumping = false;
+				// Reset shadow size when BBall lands
+				self.shadowGraphics.width = width * 0.8;
+				self.shadowGraphics.height = height * 0.4;
+				var tileBelow = game.grid.getTileAt(self.x, self.y + tileHeight / 2);
+				if (!tileBelow) {
+					if (self.parent) {
+						self.parent.removeChild(self);
+					}
+					// Spawn a new BBall at the top
+					var newBBall = new BBall(game.grid.tileArray[0][0].x, game.grid.tileArray[0][0].y - 150, 180, 180);
+					game.grid.addChild(newBBall);
+					// Trigger the move of the new BBall
+					newBBall.move();
+				}
+			}
+		};
+		LK.on('tick', bballTickHandler);
+		LK.setTimeout(self.move, travelTime + 50);
+	};
+	self.shadowGraphics = self.attachAsset('zbertShadow', {
+		anchorX: 0.5,
+		anchorY: 1.0,
+		alpha: 0.4
+	});
+	self.shadowGraphics.width = width * 0.8;
+	self.shadowGraphics.height = height * 0.4;
+	self.shadowGraphics.y = height * 0.5 + 50;
+	var BBallGraphics = self.attachAsset('bouncingBall', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	BBallGraphics.width = width;
+	BBallGraphics.height = height;
+	self.x = gridX;
+	self.y = gridY;
+});
 var Alien = Container.expand(function (gridX, gridY, width, height) {
 	var self = Container.call(this);
 	self.isAlienJumping = false;
 	self.move = function () {
@@ -59,17 +131,17 @@
 		self.isAlienJumping = true;
 		var tileWidth = 250;
 		var tileHeight = 270;
 		var arcHeight = 150;
-		var direction = self.x < game.width / 2 ? 'upRight' : 'upLeft';
-		var targetX = self.x + (direction === 'upLeft' ? -tileWidth : tileWidth);
-		var targetY = self.y + (direction === 'upLeft' ? -tileHeight / 2 : tileHeight / 2);
+		var direction = Math.random() < 0.5 ? 'downLeft' : 'downRight';
+		var targetX = self.x + (direction === 'downLeft' ? -tileWidth / 2 : tileWidth / 2);
+		var targetY = self.y + tileHeight - 90;
 		var startX = self.x;
 		var startY = self.y;
 		var distanceX = targetX - startX;
 		var distanceY = targetY - startY;
 		var startTime = Date.now();
-		var travelTime = 1000;
+		var travelTime = Math.max(175, 500 - 25 * levelManager.completedLevels) + bballTravelTimeAddition;
 		var alienTickHandler = function alienTickHandler() {
 			var currentTime = Date.now();
 			var timeElapsed = currentTime - startTime;
 			if (timeElapsed < travelTime) {
@@ -87,11 +159,18 @@
 				self.isAlienJumping = false;
 				// Reset shadow size when Alien lands
 				self.shadowGraphics.width = width * 0.8;
 				self.shadowGraphics.height = height * 0.4;
-				// Check if Alien is at the edge of the grid and needs to turn around
-				if (self.x <= 0 || self.x >= game.width) {
-					self.x = Math.max(0, Math.min(self.x, game.width));
+				var tileBelow = game.grid.getTileAt(self.x, self.y + tileHeight / 2);
+				if (!tileBelow) {
+					if (self.parent) {
+						self.parent.removeChild(self);
+					}
+					// Spawn a new Alien at the top
+					var newAlien = new Alien(game.grid.tileArray[0][0].x, game.grid.tileArray[0][0].y - 150, 180, 180);
+					game.grid.addChild(newAlien);
+					// Trigger the move of the new Alien
+					newAlien.move();
 				}
 			}
 		};
 		LK.on('tick', alienTickHandler);
@@ -470,27 +549,8 @@
 	});
 	starGraphics.scale.set(scale);
 	starGraphics.rotation = rotation;
 });
-var BBall = Container.expand(function (gridX, gridY, width, height) {
-	var self = Container.call(this);
-	// Define the movement behavior for BBall here
-	self.move = function (direction) {
-		// Actual movement logic based on direction
-		switch (direction) {
-			case 'downLeft':
-				self.x -= 5; // Move BBall 5 pixels to the left
-				self.y += 5; // Move BBall 5 pixels down
-				break;
-			case 'downRight':
-				self.x += 5; // Move BBall 5 pixels to the right
-				self.y += 5; // Move BBall 5 pixels down
-				break;
-		}
-	};
-	self.x = gridX;
-	self.y = gridY;
-});
 
 /**** 
 * Initialize Game
 ****/