Arrow keys to move. Up to jump. Developers, make new backdrops to add levels. Black is ground, gray is a wall, red is unsafe ground, pink is a trampoline, and yellow is the goal.
Credit to griffpatch for the awesome 16-frame Scratch Cat walking animation! I was bored, so I made this engine by myself. Feel free to use it without giving credit. And this time... wall detection! Well, kinda.