We particularly like Gold Creek Superpays, Gold Saloon Superpot Scratch and 1, Rainbows Superpot. Jackpot Mobile casino offers. In Rainbows Superpot, you will play on a 5x4. Try King's Alchemist Scratchcard online for free in demo mode with no download or no registration required. Here, you will play on a 5x3 grid and can enjoy bonus features such as the Scratch Rainbows Superpot. Return to player. Try out our free-to-play demo of Rainbows Superpot online slot with no download and no registration required. %. Rainbows Superpot Scratch is an Irish-themed scratch-card slot game from developer Matrix Studios, which comes with an RTP of % and. . Demo play for fun, no download or registration required. Game Type. Rainbows Superpot Scratch is a table game that has taken the whole world. Thanks to high volatility and bonuses, it is easy to play. 18+. Game Type. Try Rainbow Trinkets slot online for free in demo mode with no download or no registration required. With a beneficial RTP. %. Play Rainbows Superpot Scratch completely for free, without spending any money. Return to player. Land 3 Scatters anywhere in view to enter the Free Spins with up to 3 Feature Abilities, or achieve 5 wins in a row to access Matrix Spins.