Use the arrow keys or A and D to move. Use the up arrow, W, or space to jump. Press R to restart the level. Press O to toggle the screen shake effect. Press jump in mid-air to double jump (after you have obtained the Rocketry Amulet). Hold left or right while next to a wall/moving platform to stick to it (after you have obtained the Sticky Coating). Press Jump while sticking to a wall/moving platform to wall jump (after you have obtained the Rebound Coating).