Homesick Alien app for iPhone and iPad
Homesick alien is a multi-level game. Your character is an alien. Each level has a chest. When you reach the chest you are prompted with a math problem. If you solve the problem correctly you are allowed to go through the door at end of the level. Each level has multiple hazards - water, saws, spikes, maces, rocks. If you run into a hazard you must restart at the beginning of that level. You beat the game by completing level 10.