https://scratch.mit.edu/projects/799664333/

two-men Ping-pong
1.left player - W/S to serve and move, A/D to spin.
2.right player - ↑/↓ to serve and move, ←/→ to spin.

控制：
1.左球拍按 W/S鍵 發球與移動，A/D鍵 旋球。
2.右球拍按 ↑/↓鍵 發球與移動，←/→鍵 旋球。

(update) single player vs. computer available!
(更新)單人與電腦對戰版本