In Play Mode, WASD to move, arrow keys to look around, space to jump. In Build Mode, WASD to move depending on your direction, and arrow keys to adjust the direction. Click to place a block, and select one using the bar at the bottom that has over 100 block types, from Squishy to Flying. S to Save, L to Load, and R to Reset Level. Comment your Level Codes, they are small enough. Now go play the game!