Played some Blacklight: Retribution on Steam, it's pretty good. It's a free competitive FPS game, has some interesting things in it.
For a free game I'd say everyone should try it out, but I'm not into FPS right now so I won't be playing it on any steady basis.
"You lack the requisite spine and testicular fortitude to study under me"
"You do not know the first note of the music that moves me."