Battle Worlds: Kronos was released on Steam with trading card support on 4 November 2013. There are 9 cards in the series, and you'll receive 5 cards at random for purchasing and playing the game.
Foil Trading Cards
General Cypher and Prio Rayne
Planet Kronos under siege
General Cypher commanding troops
The destruction of planet Kronos
Prio Seda Rayne of the Residents