Player 1 (red) uses: w a s d to move and try's to score in blue's goal. Player 2 (blue) uses: arrows to move and try's to score in red' goal.
To find out how to make a game like this on scratch, step by step. Follow my tutorial on youtube: https://www.youtube.com/watch?v=h4DlzueC6L8&t=304s
