Tower Defense: Alien Invasion Game Info
Tower Defense: Alien Invasion is a great online tower defence game with many cool levels in both single player and multiplayer mode. Use wise strategy to place towers along the path that will shoot the enemy. You also have an option to create your own level if needed. Click on each box and build new towers which you can upgrade subsequently. You also have many defensive towers to choose from. You can either improve them or buy them directly. You get gold coins for every dead opponent. Play the campaign mode and start from the very beginning.