I can't find Tank Wars any longer. Google keeps providing me with various, trivial 3D games. The arcade multiplayer games are giving me trouble, too, as they can't connect to the server. In fact, none of the ibProArcade / vB Arcade multiplayer games seem to be functional in any community I've found.

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram