Head for the pot filled with gold at the Rainbow Riches slot machine from Barcrest. The possibilities are endless when you come to play for free in online casino. You can play slot machines super easily with real money by pressing the button below the game. Play 1 of the 3 bonus rounds and, for example, win a prize at the pot or gold bonus that multiplies your total bet! Make a wish in the wishing well bonus of the Rainbow Riches slot machine.