The number. August 2, . August 2, The Monster Free Spins feature is activated when landing 5 or more free spins bottle scatters on any base game spin simultaneously. Yggdrasil launches latest online slot from YG Masters ReelPlay partner studio Hot Rise Games: Monsters VS Gigablox. With 4 bonus features, look out for oversized blocks of symbols, randomly added. K Morrison. The. Yggdrasil launches latest online slot from YG Masters ReelPlay partner studio Hot Rise Games: Monsters VS Gigablox. Monster Blox is a 6×4 video slot with the Gigablox feature, as well as NetBet Casino · BONUS: AUSTRIA Welcome Offer: % Bonus up to € + Up. A payline slot from Peter & Sons and Yggdrasil, Waterblox Gigablox is a wonderful aquatic adventure with mega blocks front and center. Peter & Sons have packed a good range of extras into Monster Blox (Gigablox). Water Blox Gigablox™ is a mid-high volatility 6×6 Gigablox slot featuring 50 paylines, Wild Re-Spins and a Monster Free Spins bonus game. K Morrison.