With music and sound effects from Lyserdigi (and at least one sound effect made with ChipTone).
The aim is to go to the exit as fast as possible, all while dodging spikes, finding keys and using bounce pads to your advantage.
Move - WASD - Directional Keys
Speed Up - Z - K
Pause - Escape
Also, be sure to Hack the Palette to choose your favourite Gameboy Palette!