W or up arrow to move forward A and D or left and right arrows to turn Green markers are crystals White marker is ship Don't run out of oxygen, or you will start taking damage! Bring crystals to your ship for money! Blue crystals give oxygen Red crystals give a lot of money but have a 50% chance to deal 75 damage when picked up Green crystals give normal money :D Green crystals with the color slightly changing will only deal damage