Be sure to use your Thunder Rewards card to qualify, should a bonus jackpot strike your machine. We've installed even more exciting slot machines in Pano Hall. Play Free Slot – Cashing Rainbows by Realistic Games. It offers 5 reels and 3 paylines. Cashing Rainbows also features Scatter, Wild, Free Spins➤ Enjoy the. Free Slot Cashing Rainbows by Realistic Games is a 5 reels, 3 paylines slot game featuring: Scatter, Wild, Free Spins ➤ Play For Free at.