space, click/tap, use the up arrow, or use W to jump. Jump on the stars for another jump. Hold the jump buttons to wall jump on a wall. Hit G or the pause button to pause. Adding reverse gravity in the future Right now, you can change skins using 1,2,3, and 4
Everything by me, please give feedback in the comments. Credit to RubRub (Robtop) for the cube (it was inspired by the one in the Geometry Dash shop) and the "orb" (its a star now).