http://www.youtube.com/watch?v=_1SmgednXb8
They seem to be calling it "SpeedBall". You go around throwing snowballs at everyone for points, which you can use to buy stuff (like more snowballs).
Cool
Cra-zazy. Also nice Nuke Town map, even me the non-gamer recognized it. Must be a pain to run out of ammo so fast, though.
Wow!! That's really cool
I spent around an hour playing on one of their servers. It's mostly fun, but can be a bit frustrating sometimes when both teams spawn closely as their is a lot of initial lag. More than once I was hit before the terrain had even been drawn.