The Robo Ultra slot machine, reminiscent of the popular mecha anime genre, offers users a captivating storyline involving an ongoing war between Earth and Mars. This 5*5 layout slot game features symbols that align perfectly with its theme, including a variety of combat robots armed with an array of weapons. Payouts are determined by Clusters. The game offers the chance to win up to 100 Free Spins, with the number of spins and charges in the combo determined by a choice of three bonus weapons before the Free Spins round commences. Robo Ultra has medium volatility and a customizable RTP of 90%, 94%, or 96%. The most fortunate players could win up to x20000 of their bet. The betting range in Robo Ultra varies from 0.2 to 40 euros per spin. Try out the Robo Ultra slot from the Yolted provider on SlotCatalog for free.