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Our Recommended Casinos for Bob Marlin Goes Deep
Bob Marlin Goes Deep Features
What is Bob Marlin Goes Deep?
Bob Marlin Goes Deep is a low-volatility video slot from Yggdrasil Gaming that starts on 5 reels and 4 rows, with reels that expand as you go deeper. Its top win is 3,905 times the bet, and Yggdrasil offers RTP settings of up to 96.8%.
It is a fishing game starring Bob Marlin, who also fronts other Yggdrasil slots.
Yggdrasil lists a release date of 24 July 2025 on its Bob Marlin Goes Deep game page.
How does Bob Marlin Goes Deep play?
Yggdrasil lists four features: Collectible Fish, Collectible Free Spins, Expanding Reels and Free Spins. In plain words:
- Catch five of the same fish and the free spins start.
- The deeper you go, the more the reels expand beyond the starting 5x4 grid.
- The free spins are where Yggdrasil says the biggest catches wait.
RTP and stakes
Yggdrasil sells Bob Marlin Goes Deep at three RTP settings, and each casino picks one. Our data lists 96.8%, the top setting, but check which version your casino runs. Over a very large number of spins, each setting returns about this much of every €100 staked:
RTP setting | Average return per €100 staked |
|---|---|
96.8% | €96.80 |
94% | €94 |
90.5% | €90.50 |
Stakes run from €0.10 to €125 a spin, and at the €125 maximum the 3,905x top win comes to €488,125.
What does low volatility mean here?
Yggdrasil rates it low. Wins tend to land more often and in smaller amounts than in a high-volatility slot, so a balance moves less sharply.
It is the only low-volatility game among the recent Yggdrasil releases we cover. The top win is 3,905x the bet, well below the 10,000x and 20,000x of some of Yggdrasil's high-volatility slots.
Who is Bob Marlin Goes Deep for?
It suits players who want a steadier game with a clear goal: five of one fish.
For Bob Marlin in a livelier game, try , rated medium-high. is a medium-volatility step up.
You can see every Yggdrasil title we cover on our Yggdrasil Gaming page.
Pros and Cons
Top Pros
- Low volatility for a steadier ride
- RTP of up to 96.8% where the casino runs the top setting
- Simple goal: five of the same fish start the free spins
Major Cons
- Top win of 3,905x is below most high-volatility Yggdrasil slots we cover
- RTP can be as low as 90.5% at some casinos
Our verdict on Bob Marlin Goes Deep
Bob Marlin Goes Deep is the calm option among the Yggdrasil games we cover, with a top RTP setting of 96.8% and a simple route to the free spins.
Low volatility does not remove the house edge. Try the free demo first, check which RTP your casino runs and set a budget.
Frequently Asked Questions
Yggdrasil offers it at 96.8%, 94% or 90.5%, and each casino picks one. Our data lists 96.8%, the top setting, so check which version your casino runs.
3,905 times your bet, according to Yggdrasil. At the €125 maximum stake that is €488,125.
Catch five of the same fish.
Yes. This page has a free demo, so you can see how the game works before you stake real money.
Ingmar Ivarsson is Casino Adventurer's games editor, based in Stockholm. He reviews slots and the studios behind them, breaking down mechanics, bonus features, volatility and RTP in plain language. Having grown up with arcade machines and home consoles, he's always had an eye for good game design, and he appreciates a slot with great art and sound as much as one with a clever feature. When he's not writing, he's usually kayaking around the Stockholm archipelago.
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