[H] KillingFloor , Darwinia [W] offer

bastion

Dungeon Defenders (key) for KF ?

(KEY) Supreme Commander gold / Qube / Choplifter HD / Hamilton’s Great Adventure / Unstoppable Gorg / King Arthur - The Role-playing Wargame / Hard Reset / Hack, Slash, Loot / Defense Grid: The Awakening / Cloning Clyde / Ancients of Ooga

IndieGala IV (Steel Storm
ARES
Alien Shooter
Alien Shooter 2
Altitude
Disciples II
Really Big Sky) + Humble Bundle #3 (++Humble Indie Bundle #3 Steam games:
And Yet It Moves
Cogs
Crayon Physics Deluxe
Hammerfight
VVVVVV) for Killing Floor?

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Renegade Ops for Killing Floor?

Renegade Ops + Hydrophobia for KF?

Portal 2 key for KF?

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Dota 2 for KF?

Borderlands