Newer version: https://scratch.mit.edu/projects/99511778/ welcome to monochrome, the world of black and white (mainly). ⬆ to jump. ⬇ to crouch. ➡ to move right. ⬅ to move left. light grey to next level. Yes, you can SWIM in this! Also, this is a bit easier than other platformers. Just if you wanted to know... although some levels are glitchy.
MajesticPie made a similar game to this. How to swim by Dracae in a forum (but I edited a bit so he actually swam) It gets a bit glitchy when you're on a level with lava. Sorry. I got the moving, jumping and wall detection from another forum for platformers. All ideas and art by me! Thanks for playing!