if you got a key from humble bundle I just thought you should know...this isn't the same game
http://store.steampowered.com/app/321360/
its not giftable beacause its been given away for free

the regular primal carnage is
http://store.steampowered.com/app/215470/
and if I'm posting this for nothing than don't mind me carry on I just thought I should point this out in case you made a mistake >_<

also love your humanity has declined Ava