Destroy your enemy's castles using their own cannonballs! Move around using the A and D keys, and position yourself under a cannonball to catch it. Move the mouse around to aim, and hold down for power. Once you release the cannonball will go flying at the castle. Stone blocks need 5 strikes to break, while steal blocks can't break, they can only be moved around. If a cannonball hits you without you catching it, you'll lose one of your four lives. Once you've toppled the tower, you win the level. The less cannonballs you use, the more points you get. One-man Siege is one of our many Action Games that we publish on TheGamerStop.com. This game is also tagged as a Cannon game. Click the play button to start having fun. To play even more free games, view our popular and new games page. If you want to play more games like this, then you can simply check out the games inside the game tags that are the most relevant to your interests or the Action Games category or the games like this game page at the end of the game tags.