This weeks Humble Bundle has Natural Selection 2

[Failhorse]

Go get it. Let's play something that isn't TF2.
https://www.humblebundle.com/

Plus:
Natural Selection 2 (steampowered.com) RRP $24.99 (PC, Linux)
Sanctum 2 (steampowered.com) RRP $14.99 (PC)
Magicka (steampowered.com) RRP $9.99 (PC) + 2 DLC:
Dungeons and Daemons (steampowered.com) RRP $3.99
Vietnam (steampowered.com) RRP $4.99


BTA and also receive

Orcs Must Die 2 Complete (steampowered.com) RRP $24.99 (PC)
Garry's Mod (steampowered.com) RRP $9.99 (NB, can still be had for $2.49 for next 24 hours) (PC, Mac, Linux)
Serious Sam 3 BFE (steampowered.com) RRP $39.99 (PC, Mac, Linux)