Marlin Masters Atlantis (Hacksaw Gaming) – Review & Demo Play

3.7/5
Play for fun!
96.27%RTP
MediumVolatility
10 000xMax Win
5×26Reels × Lines
ModerateHit rate
2026Year
Marlin Masters Atlantis

Marlin Masters Atlantis from Hacksaw Gaming play free demo version ▶ Casino Slot Review Marlin Masters Atlantis ✔ Return (RTP) of online slots on August 2026 and play for real money✔

96.27%RTP
MediumVolatility
10 000xMax Win
5×26Reels × Lines
ModerateHit rate
2026Year
Provider Hacksaw Gaming
Rating
3.7/5
Release Date 2026-04-23
Type Video Slots
RTP 96.27% | 94.26% | 92.27% | 86.23%
Max Win x10000
Volatility Average
Bet Range ($,€,£) 0.10 - 100
Min Bet ($,€,£) 0.1
Max Bet ($,€,£) 100
Number of Reels 5
Betways 26
Features Bonus Buy, Collect Symbols, Fish, Fishing, Free Spins, Hold and Win, Multiplier, Scatter, Sea, Stacked Symbols, Sticky Symbols, Water, Wild

Pros

  • Clear 5x4 layout with 26 fixed paylines
  • Jackpot Marlins reach 10,000x the bet
  • Kraken Collector creates sticky respins
  • Fishermen collect Marlin values with multipliers
  • Two Free Spins bonuses use the Trident Bar

Cons

  • Kraken Collector appeared infrequently during testing
  • Bonus multipliers stop at x5 in upgrades
  • Regular symbol payouts are fairly modest
  • Feature Buy costs reach 200x the bet

My first spins on Marlin Masters Atlantis

What did I open here, exactly? Marlin Masters Atlantis is a fishing slot from Hacksaw Gaming, set among bright Atlantis buildings, statues and water. It uses a 5x4 grid with 26 fixed paylines. I hovered over the button a bit before clicking spin, because this is my very first go on a slot like this. The main hook is simple enough: Marlin symbols carry cash values, while a Fisherman collects them. The new Kraken Collector adds sticky respins, and the top jackpot reaches 10,000x the bet.

Honestly, I am still finding my feet with all this, but the screen was easy to read. The jackpot values sit to the left, and the 26 paylines give regular wins a clearer role than I expected. My first impression was positive, although the ancient Atlantis setting feels brighter than mysterious. That is not a fault, just a particular colour choice. The Kraken also appeared less often than I hoped, so I would not choose the game only for its respin feature.

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Reading the paytable on Marlin Masters Atlantis

What pays, and what collects? I read the paytable through twice just to be sure. Royal symbols from 10 to A pay up to 1x for five of a kind. Four fish symbols pay between 3x and 7.5x for five matching symbols. The anchor Wild substitutes for regular symbols and pays 20x for five Wilds, but it cannot replace Scatter, Marlin, Fisherman or Kraken symbols.

Marlin symbols are where the bigger numbers begin. Ordinary Marlins show values from 1x to 100x, while Jackpot Marlins can reveal Mini 25x, Major 100x, Mega 500x or Max Win 10,000x. LootLines pay when three or more Marlin or Jackpot Marlin symbols form a winning line. A Fisherman then collects visible Marlins, and the multiplier affects ordinary Marlin cash only. So a 96.27% RTP means it pays most of it back over time? Yes, but each spin can still vary.

Symbols and payouts

symbol 1
5x7.5
4x3
3x2
symbol 2
5x5
4x2
3x1
symbol 3
5x3
4x1.5
3x0.5
symbol 4
5x3
4x1.5
3x0.5
symbol 5
10
A low-paying royal symbol that awards up to 1x for five matching symbols.
5x1
4x0.3
3x0.1
symbol 6
A
A low-paying royal symbol that awards up to 1x for five matching symbols.
5x1
4x0.3
3x0.1
symbol 7
5x1
4x0.3
3x0.1
symbol 8
5x1
4x0.3
3x0.1
symbol 9
5x1
4x0.3
3x0.1
symbol 10
Wild
The anchor Wild substitutes for regular paying symbols but not Scatter, Marlin, Fisherman or Kraken symbols.
symbol 11
Scatter
The FS Scatter triggers Sunken Empire with 3 symbols or Pose for Poseidon with 4 symbols.
symbol 12
Collect
bonus
Marlin
Marlin symbols show cash values from 1x to 100x and pay when collected by a Fisherman or included in a LootLine.
bonus
Jackpot Marlin
Jackpot Marlins reveal Mini, Major, Mega or Max Win prizes when collected or included in a winning LootLine.
bonus
Fisherman
The Fisherman collects visible Marlin symbols and can carry a multiplier up to x20, which does not affect Jackpot Marlins.

How the Atlantis bonus mechanics work

I was not sure what the Scatter did at first. Three FS symbols trigger Sunken Empire and award 10 Free Spins. Four trigger Pose for Poseidon with 15 Free Spins. Both bonuses keep the base mechanics and add a Progressive Trident Bar. Each Fisherman moves the bar by one step, even when it collects nothing. After every fifth Fisherman, the bar upgrades and gives 8 extra Free Spins.

The upgrade levels guarantee minimum Fisherman multipliers of x2, x3 and x5. Pose for Poseidon gives a higher chance of reaching these levels. The free spins caught me by surprise, in a good way, because the bonus has a clear target rather than a collection of unrelated symbols. I think I get the multiplier now, more or less. Still, the maximum bonus multiplier is lower than in The Big Haul, which is a real step back for returning players.

What does Kraken do? A Crown on reel 1 becomes the Kraken after normal wins are paid. Marlins and Jackpot Marlins stay locked, while the remaining reels respin with Marlins, Jackpot Marlins or Dead Fish. New paying symbols become sticky, and the respins stop after an empty result. Fisherman symbols cannot land during this feature, so the Kraken has its own separate collection moment.

Bonus features

Bonus BONUSHUNT FEATURESPINS
BONUSHUNT FEATURESPINS
Each spin is 5 times more likely to trigger a bonus game!
Feature Cost: x3 Bet RTP: 96.32% Volatility: High
Bonus NOISY NEPTUNE FEATURESPINS
NOISY NEPTUNE FEATURESPINS
A Crown on reel 1 becomes the Kraken, locks Marlin and Jackpot Marlin symbols, then starts respins until no new paying symbol lands.
Feature Cost: x50 Bet RTP: 96.32% Volatility: Medium
Bonus SUNKEN EMPIRE
SUNKEN EMPIRE
Triggered by 3 Scatter symbols, awards 10 Free Spins and adds the Trident Bar. Every fifth Fisherman advances the bar, awards 8 extra Free Spins and improves later minimum multipliers.
Feature Cost: x100 Bet RTP: 96.30% Volatility: High
Bonus POSE FOR POSEIDON
POSE FOR POSEIDON
Triggered by 4 Scatter symbols, awards 15 Free Spins with the Trident Bar and a higher chance of reaching its upgrade levels.
Feature Cost: x200 Bet RTP: 96.34% Volatility: High

The money profile of Marlin Masters Atlantis

Hang on, what does volatility actually mean again? Medium volatility points to a middle-ground rhythm, with moderate hit frequency rather than constant small wins or very rare large hits. The default RTP is 96.27%, the stake range runs from 0.10 to 100, and the maximum win is 10,000x. Alternative RTP settings can be lower, so I would check the information panel before choosing a real-money stake.

Feature Buy gives four routes into the action. BonusHunt FeatureSpins cost 3x and make a bonus five times more likely. Noisy Neptune costs 50x and guarantees a Kraken plus a Marlin. Sunken Empire costs 100x, while Pose for Poseidon costs 200x. Sorry if I am asking something a bit daft, but those prices are not a strategy. They simply exchange waiting time for a high-cost feature entry.

FAQ

How does a Kraken Collector respin finish?
The Kraken respin ends when a spin lands no new Marlin or Jackpot Marlin symbol. All sticky cash symbols then reveal and pay their displayed values.
Can Fisherman multipliers boost Jackpot Marlins?
No. Fisherman multipliers apply only to ordinary Marlin cash values. Jackpot Marlins pay their own fixed Mini, Major, Mega or Max Win amounts.
What does the Trident Bar upgrade every fifth Fisherman?
Each fifth Fisherman advances the bar, awards 8 additional Free Spins and raises the minimum later Fisherman multiplier. The three upgrade levels guarantee at least x2, x3 and x5.
Can three Fishermen land on one spin?
Yes. Up to three Fisherman symbols can land on one spin, and each collects independently from the visible ordinary Marlin symbols.
What does Noisy Neptune FeatureSpins guarantee?
The 50x Feature Buy guarantees at least one Kraken Collector and one Marlin symbol on each purchased spin. It uses a 96.32% RTP setting and medium volatility.

Useful guides

Gallery of video and screenshots of the game

Provider Hacksaw Gaming
Rating
3.7/5
Release Date 2026-04-23
Type Video Slots
RTP 96.27% | 94.26% | 92.27% | 86.23%
Max Win x10000
Volatility Average
Bet Range ($,€,£) 0.10 - 100
Min Bet ($,€,£) 0.1
Max Bet ($,€,£) 100
Number of Reels 5
Betways 26
Features Bonus Buy, Collect Symbols, Fish, Fishing, Free Spins, Hold and Win, Multiplier, Scatter, Sea, Stacked Symbols, Sticky Symbols, Water, Wild

Our editorial team

All our content is written by our editorial team and checked before publication. We play the games ourselves, verify licences and withdrawal terms, and update every review as soon as something changes.

Under the supervision of Editor-in-Chief Mark Rylance

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