Here's the instructions, arrow keys to move, z to attack, moving while holding z is a charging attack, jumping and hold z is a flying attack, and holding z and going down in the air is a comet smash. X is shield, I know it looks weird, and your goal is to knock your opponent off the screen. In the marathon, you fight all the characters and earn a sticker if you win.
Thanks to Hobson TV this is a remix of Super Scratch Bros.