Space Defender is an arcade style first person shooter. As enemies attack, use your weapons to defend yourself. Limited ammo, powerups, primary and secondary weapons, and joystick control make each difficulty level uniquely difficult. Space Defender implements Game Center, with several leaderboards and many challenging achievements. Try to reach all of the achievements and you will receive an upgraded weapon. Space Defender includes:

- Arcade style controls
- Joystick movement
- Stunning retina graphics
- Original music and effects
(by David Bergen)
- Leaderboards
- Achievements
- Permanent Lifetime Kill count