Antichamber had Steam trading card support added on November 27, 2013. There are 6 cards in the series, 3 of which you'll receive for purchasing and playing the game.
Trading Cards
Foil Trading Cards
Badges
Emoticons
Profile Backgrounds
Antichamber had Steam trading card support added on November 27, 2013. There are 6 cards in the series, 3 of which you'll receive for purchasing and playing the game.