Description: On this warm summer night Jack was sleeping peacefully in his bed, when a laser beam scanned his room. A few minutes later he was floating through his window, taken by mean aliens.He wakes up in a medical research lab on a UFO. Eventually he can manage to escape, but he has to fight the aliens coming toward him in droves.Help him to find his way home!Gravity Jack is an amazing sidescroller game with:- Lots of fun- Beautyful graphics- Outstanding sound and music- Dozens of upgrades and bonuses.- Game Center Achievements- Leaderboards- Dozens of levels- Increasing difficulty