This isn’t an actual platformer - this is just a scrolling engine. Feel free to just remix it, and make an actual platformer. (Plus a working phsics engine - please!)
Big thanks to @griffpatch, without him I would’ve never come up with how to do this! Also, some tips about remixing - 1. When you hit a wall, you just go up 2. For editing, press 0, and then use A and D to change a block 3. This isn’t a game, it’s just a demonstration of how it works. 4. It can get laggy