This game is way past un-optimized Play here: https://scratch.mit.edu/projects/873502152/ IMPORTANT NOTE: before playing, hold shift and press the flag to turn on turbo mode, it's necessary to run the game.
All sprites and characters from Nintendo let me know in comments if you created certain music or sprites, i'd love to give you credit. This project is not intended to diminish or replace the value of any Mario games and was simply created as a school project.