Play online this flash puzzle game called Tower Siege here on vitalitygames.com. Match 3 or more blocks of the same colors in order to protect your tower, not create a battle and eliminate your enemies in order to finish the level. . The only way to topple these towers is by removing all of their colorful bricks. You should also buy some guardians to defend your tower from the enemies that try to climb it. Good luck and have fun.