This game is created for 

Lux Jam II

Planet Stealer is an arcade game where you are an alien with a spaceship with gravitational force that can steal and make the planet orbit and following you. Your task is to steal all the planet in this galaxy and if you are good enough, you can also steal the sun. But watch out, your spaceship is not invincible.  Don't crash with other planets or asteroids, or your spaceship will be destroyed.

Use ASWD to move.