Use the arrow keys to get to the key, open the gate by putting the key in the lock, getting the gem and escape! Watch out for the booby traps and the spikes and the boulder and the G U A R D . . . You can make it two player by hitting "s" and control him by doing W, A, S and D. You have to press the green flag twice.
"Cuphead Remix- Floral Fury-The Living Tombstone (1).mp3" https://www.youtube.com/watch?v=b-Npx69OOp8