From the Publisher Once again, the call to adventure comes to Vegas via a Poker Tournament. The Big Bordello Casino is hosting a poker tournament, and the high stakes and prizes attract the attentions of people from across the wasteland. Dare you take a chance at the poker tournament, or find other avenues of adventure in the City of Sin? Ace of Spades is an Exodus OPS campaign scenario for 4 to 6 characters of 2nd to 4th level, and can be easily adapted to any other Post-Apocalyptic setting.