Blue's controls are W, A, S and D. E to shoot. Red's controls are the arrow keys. Space to shoot. Use emoji's to communicate. The "!" one is only used to tell someone that you are online if they are watching a video or something. Get you and your friend to play this project at the same time on different devices.
This is the first I've seen on scratch that someone has done this. (By the way, you have to be a scratcher to use this.) Also, I can change the X and Y in-game. So boom!
