It's 20% off on Steam until the 16th.
I put a lot of hours on the multiplayer. Best mod game on the original unreal engine.
buy this so we can hack and throw hammers!
Seriously. It's a good old game. The mouse combat is fairly intuitive and rewards skill.
and it reminds me of this kickstarter project that got blogged today.
http://www.kickstarter.com/projects/260688528/clang