Use the left and right arrow keys to move. Use the up arrow key to jump. You'll need to kill 20 enemies to win. Not mobile friendly, sorry guys.
If you have suggestions, post them below! This is only an engine, so don't post comments complaining about it being boring. Feel free to remix this. But if you plan to backpack this to another project, ask me before doing so. If you plan to remix this project, the sprites are ordered in importance from left to right.