Arachnidoom!

You are supposed to defend Earth from the invaders as best you can. Move your spaceship back and forth by tilting your device back and forth and tap the screen to fire your missiles at the invading spiders that are falling from outer space in order to stop them from getting to the Earth. The game starts off a bit slow but will gradually become more intense the longer you play. It's a survival mode game so see how long you can last and try to set a new high score!