Basically it's like a worse "Natural Selection". =)
I had that game long before the Steam release, played it since January but meanwhile I don't even have it installed anymore...
IMHO it gets boring pretty quickly and I sure hope they fixed most of the bugs that made the game pretty unplayable initially... I guess there are more than ~100 people online since it came out on Steam as well. =)
well, what I experienced this weeken it was TOO hard to find a server cause of ppl playing, I think they've manage to get over 200 new customers this week I guess, I were fan of the first game too, funny as hell 
But i must say Savage 2 have gotten way better than the first one
EDIT1: bought it for 10$, let's se... how to formulate this <.<
1$ is 5 kr in norway... so 10$ = 50 kr, and 50kr is like.... a price of a Pizza and a cola at the store 

 
					
					
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I reject your reality, and substitute my own. - Adam Savage