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