During gameplay, press Spacebar, up arrow key, Left Click, or W to go up. Release to go down. Do not touch any of the obstacles. Click on the shopkeeper (bottom left-hand corner) for a brief tutorial. The skin editor is on the bottom right-hand corner. RobTop Games for Geometry Dash, which was a big inspiration for the -Wave- series. Waterflame for Geometrical Dominator (music during gameplay)