OTTTD had Steam Trading Card support added on August 7, 2014. There are 6 cards in the serie, 3 of which you'll receive for purchasing and playing the game.
Trading Cards
Foil Cards
Badges
Booster Pack
Emoticons
Profile Backgrounds
OTTTD had Steam Trading Card support added on August 7, 2014. There are 6 cards in the serie, 3 of which you'll receive for purchasing and playing the game.