World of Justin: 3-D Liquid Pong - Three dimensional version of the classic game. [Requires Shockwave] - http://justin.sharewith.us/pong.html
Pong.at - Contains Javascript version of Pong. - http://www.pong.at/
King Pong - 50's modern tiki culture reigns in this online version of the classic Pong arcade game, played against the computer. Requires Shockwave plugin. - http://www.kingpong.net/