Our review of Water Blox Gigablox cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Peter & Sons slot game, sitting firmly in the a medium high volatility profile bracket and paying back an RTP of 95.93%. You get a 5-reel grid running 10 paylines, all finished with a clean, modern look. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. It first went live in 2022 and still earns its place today. Here's how it stacks up.
Written by Rachel Kim · Last updated: March 2026
Water Blox Gigablox is a release from Peter & Sons, wrapped in polished, characterful visuals. It runs on 10 paylines across 5 reels with medium high variance, and a published RTP of 95.93%.
Dig into the bonuses and Water Blox Gigablox starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium high volatility strikes a middle ground that should suit most playing styles. All told, it's a solid entry in the Peter & Sons catalogue.
At 95.93%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Water Blox Gigablox features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Water Blox Gigablox by Peter & Sons is a solid offering that delivers good entertainment value. The 95.93% RTP combined with medium high volatility creates a well-balanced gaming experience.