Use your head to control the game, if you like this kind of control way, let’s go on checking the face-tracking based iPhone game Alien20.
Alien20 is an innovative alien themed casual game developed by Bo Wang. The iPhone game is set in dangerous asteroid belt. All you need to do is to help Alien20 to utilize various items to evade all kinds of meteorites in order to pass through the asteroid belt to find the lost clansman. The iPhone game features unique face-tracking controls. This means that just moving you head, you can control the spaceship, but note that, don’t move too drastically.
Alien20 with a size of 18.6 MB is compatible with iPhone 4, iPod touch 4G and iPad 2 running iOS 4.1 or later. At present, the iPhone game is free for a limited time. If you’re interested, jump to App Store for more details.