If you have ever played Galaga then this game will seem fairly similar. Use the left and right arrows to control the ship at the bottom and use the space bar to fire octopus projectiles at the bombarding ghosts. When the octopus is fired it will move slowly while it charges for a split second and then take off. The octopus will only destroy ghosts once it has charged so make sure it has room when you fire it. See how long you can survive and rack up your score!