Psychodrome

From the back cover of the Ace Books first edition: An intergalactic scavenger hunt that sends its players across the stars in a game played for keeps... a game where the lines between reality and computer-generated fiction blur, and the only sure thing is that there is no sure thing. Now Arkady O'Toole has entered Psychodrome. A gambler down on his luck, O'Toole hopes to pick up quick cash - and avoid some nasty characters that he's accidentally crossed. But his past has followed him into the game, and he and his teammates soon find out that if Psychodrome doesn't kill them, reality will...