New Video Slot Game at Black Diamond Casino! Reel Gangsters Video Slot Reel Gangsters is a new 20 payline Video Slot powered by TopGame! Take a peek into the world of gangsters, the underground, racketeering and organized crime. In this game, it's all about who you know, corrupt cops pay upto 300 coins, while mafia bosses pay upto 1000 coins. Use your underworld connections to purchase illegal firearms pistols are wild and pay upto 10,000 coins!