Arrow keys or wasd to move. C key to change Squishmallow skin forward and X to change backwards. I remixed and changed it best I could, but I couldn't find all the small details that still needed to be changed.
Comment your favorite squishmallow, and I might add it! Credits: @ibshezod @KittyvoidYT @suntechnc225 If the links don't work, you can find the accounts in the comments.