I guess you guys might know about this, but me and a few people found this looking for some multiplayer games to play each other in waiting for april fool's day

http://www.arcadetown.com/tankball/game.asp

It's a simple game, you drive around and shoot everybody else there.

Anyway, when you join, you'll probably be in a room of random people.. I type /join 72 since like nobody's ever in that high a server number.