[H] Some steam game keys [W] TF2 keys

Killing Floor 2 Digital Deluxe Edition
Warhammer: Vermintide 2
Zombie Army Trilogy
Nickelodeon All-Star Brawl
Nickelodeon Kart Racers 2: Grand Prix
Call of the Sea
Backbone
PAYDAY 2
XCOM 2
FALLOUT 1
X-COM: COMPLETE PACK
Sid Meier's Civilization VI