wasd and arrow keys to move. to avoid lag go to https://turbowarp.org/867652327 don't delete the outer walls or it will cause lots of lag. press the see inside button and go to the level sprite then go into the costumes tab and your free to make a level just remember to not delete the outer walls or it will cause lots of lag. Press space to open the Pause menu. RES stands for resolution and FOV stands for field of view. Don't put the player in the wall or it will cause lots of lag.
Credits to griffpatch for the tutorial All updates are in the updates and how to play button 1 level from every remix will be in the full game