ORION: Prelude (originally named ORION: Dino Horde) had Steam trading card support added on July 24, 2013. There are 12 cards in the series, and you'll receive 6 cards at random for purchasing and playing the game.
ORION: Prelude (originally named ORION: Dino Horde) had Steam trading card support added on July 24, 2013. There are 12 cards in the series, and you'll receive 6 cards at random for purchasing and playing the game.