You know it's SMW with a original level and not working P switch.
1. Please make it possible to turn off the sound or adjust the volume. 2. More conditions for the broken box, the hero below the box and the animation box alone. 3. Speed 0 key slower please. 4. Second keys on WASD for right handed people. 5. The character runs into the wall, you need an animation bywall. 6. The collision mask of the hero in the run is not accurate.