Sentinel 2: Earth Defense [App Store]

Its war, and this time it’s too close to home. The Martian mission may be over, but the aliens haven’t finished playing…

Sentinel 2: Earth Defense expands upon the acclaimed gameplay of Sentinel: Mars Defense.

The action takes place across varied, lushly rendered Earth environments, and the alien assault force has grown more vicious than ever. Luckily, human turret technology has also advanced, and the ship weapons system provides a spectacular new way to eradicate invaders!

If you haven’t already witnessed this fantastic tower defense title first hand, now’s the time.

Fully integrated with OpenFeint to bring you global leaderboards, chat and achievements.

Amazing graphics, great gameplay, and now at a bargain price.

Click here for a list of available achievements!