[Arrows or WASD] - Move [Space or H] - Attack [P] - Pause On / Off [T] - Throw (Shurikens/Pike once picked up) [Z] - Shrink ray [X] - Grow ray [F] - Shrink [G] - Grow [C] - Glitch Ray [1-3] - Weapons [4] Delete Weapons When on edit mode: [0] - Level Editor On / Off [ [1 - 9] Select Tile Type [E] Next Tile Page [F] Fly Mode Crouching for a few seconds gives you power for extra-long jumps.
Credits to @griffpatch I added all the hacks.