Use arrow keys to move Scratch Cat U to lift up pen D to put down pen E to erase the board (New) S to adjust speed (between 0.1 to 3 steps per second, defaults at 1) Remix by @Redstoner_ for less diagonal mess.
I like project upgrades in Scratch. I see something basic, I add in some extra code. Words in the thumbnail can't be replicated perfectly. Sorry about that. Dialogue boxes inspired by BFDIA 5b, a game by jacknjellify. Also shown in the BFDI wiki.