W A S D and E to counter for player 1, and arrow keys and / to counter for player 2. If you have nobody to play with, you can go to https://scratch.mit.edu/projects/443634094/.
A remake of an old game I made. It was never shared, so you won't know what I'm building this off of. The second game just won't load in the online editor, so I can't publish it.
