Click the green flag the game will start. Make you mouse go to the game screen and just move it but keep it on the game screen and the green bar will move but dont let the ball hit the red bar or you have to start over.
Credits to the Scratch tutorial. Devlog 1 9/30/2022 11:50 I added PP on the ball and PP stands for Ping Pong and i added stuff to the green bar and red bar.