Become Denser by being hit by asteroids and comets, but don't get hit too hard! If you are player 2 you will be a dwarf planet and so must dodge everything. To access the bonus game press 'spacebar' when the menu screen
[arrow keys] – player 1 movement[W,A,S,D] – player 2 movement[spacebar] – start game (play bonus game if no planet is selected + shoot)[Z] – drop bomb from spaceship[X] – use spaceship boosters[R] – Retry[backspace], [M] – go to menu[C] – continue[