If you’re a fan of classic slot machines, the chances are you have come across Reel King or perhaps even 4 Reel Kings. This time we introduce you to Rainbow King, the newest addition to the popular family of "royal" slot machines. The clash of slot machine kings never seems to end! So what’s new and different about Rainbow King? Well, how about the unique feature of rolling the dice and moving on a map almost like playing a board game? And believe, it’s lot more fun when there are real chances of winning real royal money... Step in, this time there’s a chance to raid the castle tower and get your hands on the crown jewels!