Planet Revenge

Planet Revenge is a one button game, where the player controls an UFO by pressing and releasing the device screen. The game has 5 worlds with 20 levels in each one. The levels have different surfaces, and the gravity force and direction changes according to the world. After pass 10 levels in a world, the next world is unlocked; completing the 20 levels, the player receives an achievement and enter in the high-score list with the number of crashes, where less is better.