Two player game of Pong is a Scripts software developed by jdonohue.com. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Two player game of Pong:

BSEditor: Player One's paddle (left side): is moved with the 'Q' and 'A' keys.
Player Two's paddle (right side): is moved with the Up Arrow and Down Arrow keys.