Series : Warhammer 40,000 Genre : Virtual card games Achievements : truesteamachievements.com
not completed.
This game is based on the physical Citadel Combat Cards games from Games Workshop, a series that goes back to 1988.
Image source: store.steampowered.com
Quotes
I was trying to play this and got the message:
ERROR: An unknown error has occurred! Please try again later.