(h)natural selection2 gift (W) offers

one of them?

just cause 2
Portal 2
EVE Online: Inferno
Section 8: Prejudice + all DLCs
Vertex Dispenser
Swords and Soldiers HD
E.Y.E: Divine Cybermancy
Adventures of Shuggy
Shatter
Terraria
BIT.TRIP RUNNER
Half-Life 2
RUSH