Hold Space to tick. Move your mouse away from the center to move. Caveats: - Holding space to tick - Reverse gravity - No horizontal collision - Gravity doesn't stop (your vertical speed is preserved when falling off a platform) - Gravity still runs when not ticking - No jumping - You cannot go downwards (up in normal gravity) at all - The level sprite requires an outline for collisions to not require fully being inside the black part - You stay a bit in the ground instead of standing right below it