Use arrow keys to move and jump. Collect the coins. Jump upon Goomba enemies (twice!) to beat them. Here's a walkthrough: https://www.youtube.com/watch?v=ONtHRrN-cDQ
I just edited and polished a game by Paul Kong, and BennyHaunna3. Let me know if you have any ideas for EACH character in the comments and I might just use it. (It has to be a simple recolor or special effect)