If you're trying to work out whether Bob Marlin Goes Deep is worth your time, this hands-on review breaks it down. Developed by Yggdrasil Gaming, Bob Marlin Goes Deep arrives with a medium low volatility profile and a published RTP of 95.11%. Originally released in 2025, it has aged well. The maximum win sits at 5,000x, so there's serious upside on the table. You get 5 reels and 15 paylines, all built with crisp artwork and atmosphere. But is it actually worth playing? Read on.
Written by Sarah Mitchell · Last updated: January 2026
At its core, Bob Marlin Goes Deep is a slot game produced by Yggdrasil Gaming, built with crisp artwork and atmosphere and powered by 15 paylines across 5 reels. The result is medium low volatility paired with a return-to-player rate of 95.11%.
Where Bob Marlin Goes Deep earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. All told, it's a solid entry in the Yggdrasil Gaming catalogue.
At 95.11%, 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-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Bob Marlin Goes Deep 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
Bob Marlin Goes Deep by Yggdrasil Gaming is a solid offering that delivers good entertainment value. The 95.11% RTP combined with medium low volatility creates a well-balanced gaming experience.