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thank you for offer, i prefer tf2 or cs:go item. but if you have another interesting game tell me , i will think about that and answer you.

if you only have 1, i can offer this
Warhammer: End Times - Vermintide (steam key)

https://store.steampowered.com/app/235540/Warhammer_End_Times__Vermintide/

i have 3 for now and hmm 1tf2 key for 1 dlc