WASD to move and J to Jump or ←↓→ and ↑ to jump. 0 to switch to editor mode. While in editor mode, Press Q to auto solve tiles (It is enabled from the start so if you press it again it will disable it) Press SPACE while placing blocks to make them go to the back layer. Press 1 to switch to the pipes and wood tiles catergory. press. Press 2 for blocks that aren't catergorized. Press 3 for blocks that are semisolids platforms. Press 4 for coins and mario spaen points. Press 5 for grass category blocks (includes slopes) Press 9 for enemies. Press 0 again to get out of editor mode L to choose any level. R to clear out the level.