Small multiplayer DLC game for PC, 360, and PS3 priced at $15
It was advertised mostly for its destruction and degradation, like in Red Faction: Guerrilla.
I've been playing for about an hour on the PC version and it's really, really good. Too lazy to write much more than that. It's a little rough around the edges, a few bugs, terrain looks like shit, but destruction is cool and this one mode called Retrieval actually makes you work together with your team. Maps are pretty and large too.