Castle Defense is the most fun and unique siege game available for the iPhone. Inspired by XGen Studios' Defend Your Castle flash game, Castle Defense adds more weapons, more strategies, and better graphics, while still being just as easy to pick up and play.

As enemies approach your castle, pick them up with your finger and throw them. Make sure you throw them fast enough, or they won't die when they hit the ground. Gently drop enemies into your castle to convert them to your side, so you can train them to work for you.

The faster you beat each level, the more points you get. You can spend your points on upgrades:
- Health
- Increased Health Capacity
- Repairmen
- Archers
- Magicians (shoot lightning at enemies you select)
- Mortar Operators (fire explosive shells at enemies)
- Shake Attack (shake your iPhone to throw all enemies on the screen simultaneously)

Castle Defense has unlimited levels, so keep playing until you lose. Once you do, Castle Defense can automatically post your achievement to your Facebook or Twitter profile.