Tower defense zone - defend a far away planet from horrible space monsters. Place defensive turrets around your house. Build an impregnable defense in this game for Android. Place automatic turrets, laser guns, rocket launchers, and other defenses on the approaches to your base. The enemy moves along one or more tracks. Place turrets at key points to stop the enemy advance using minimal forces. Upgrade your towers during battle. Unlock new weapons.

Operating System: Android Ice Cream Sandwich (4.0) or later