If playing player 1, you will have A, S, D, and F, for up and Z, X, C, V, for down. For player 2 it's just up and down arrow. You can't let the ball touch the wall or you will lose. use the little lines to block the ball from touching it.
I hope you like this game! Please heart and star! other games are: https://scratch.mit.edu/projects/845843017/