Left and right arrow keys to move Up arrow key to jump Wall jumping is enabled Get to the right of the screen Press O to open the continue code screen Apparently this is the only way you can experience these games now because they all got replaced with Fat Bounce :p
Levels by @262015, adapted and slightly edited by me This is a compilation of 262015's Platformer projects, a series of simple, no-frills platformers. Those projects have since been unshared, making this the only way to play them.