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Underwater-Themed Casino Games

132 games from 43 providers • Up to 96.7% RTP

Filters

132 results
Type
Provider
Volatility
Min. RTP
Go! Fishing: Reelin' FortunesMedium

Go! Fishing: Reelin' Fortunes

Games Global

RTP 94.02%View game
Book of Sirens

Book of Sirens

Spinomenal

RTP 96.14%View game
Sharky’s ChoicesHigh

Sharky’s Choices

Greentube

RTP 95.00%View game
Ice LobsterHigh

Ice Lobster

Pragmatic Play

RTP 96.53%View game
Ocean's TreasureMedium

Ocean's Treasure

NetEnt

RTP 95.99%View game
Snow PartyHigh

Snow Party

Pragmatic Play

RTP 96.50%View game
4 Fantastic Fish Puffer PotsHigh

4 Fantastic Fish Puffer Pots

4ThePlayer

RTP 90.50%View game
The Greatest Catch Bonus BuyHigh

The Greatest Catch Bonus Buy

Evoplay

RTP 88.00%View game
Deep DescentHigh

Deep Descent

Relax Gaming

RTP 95.00%View game
Wild DepthsHigh

Wild Depths

Pragmatic Play

RTP 94.50%View game
Pirate Golden AgeHigh

Pirate Golden Age

Pragmatic Play

RTP 94.34%View game
Dolphins PearlHigh

Dolphins Pearl

Greentube

RTP 95.13%View game
Alaska WildHigh

Alaska Wild

CT Interactive

RTP 96.33%View game
Mighty KrakenMedium

Mighty Kraken

CT Interactive

RTP 95.89%View game
Tropicool 5High

Tropicool 5

ELK Studios

RTP 94.00%View game
Dolphin's JewelsVery High

Dolphin's Jewels

Hacksaw Gaming

RTP 96.00%View game
Lobster Bob's Sea Food and Win ItHigh

Lobster Bob's Sea Food and Win It

Pragmatic Play

RTP 96.04%View game
Tidal RichesMedium

Tidal Riches

Greentube

RTP 95.26%View game
Mermaid's DiamondMedium

Mermaid's Diamond

Play'n GO

RTP 84.48%View game
Mystic Dolphin Charge UpMedium

Mystic Dolphin Charge Up

Reel Play

RTP 96.00%View game
1 DropHigh

1 Drop

Spinberry

RTP 94.23%View game
Jolly Roger Wild KrakenMedium

Jolly Roger Wild Kraken

Play'n GO

RTP 96.26%View game
Pearl PrizesMedium

Pearl Prizes

SlotFactory

RTP 96.00%View game
Hugo's AdventureHigh

Hugo's Adventure

Play'n GO

RTP 84.57%View game
Razor WaysMedium

Razor Ways

Push Gaming

RTP 96.36%View game
Undine's DeepMedium

Undine's Deep

Endorphina

RTP 96.07%View game
Lobster HouseVery High

Lobster House

Pragmatic Play

RTP 96.51%View game
Bring In The FishHigh

Bring In The Fish

Wizard Games

RTP 88.09%View game
Dorks of the DeepMedium

Dorks of the Deep

Hacksaw Gaming

RTP 96.00%View game
Raging Waterfall MegawaysVery High

Raging Waterfall Megaways

Pragmatic Play

RTP 96.50%View game
Lord of The Ocean 10 Win WaysHigh

Lord of The Ocean 10 Win Ways

Greentube

RTP 95.12%View game
Ocean KingsHigh

Ocean Kings

Spinberry

RTP 93.22%View game
AquanautsVery High

Aquanauts

Games Global

RTP 94.06%View game
Orca’s Wild Bonanza Extenda EditionVery High

Orca’s Wild Bonanza Extenda Edition

Boomerang

RTP 95.86%View game
Crabby CollectorHigh

Crabby Collector

Bullshark Games

RTP 96.00%View game
Sea HunterHigh

Sea Hunter

Play'n GO

RTP 84.69%View game
Depths of FortuneMedium

Depths of Fortune

AvatarUX

RTP 96.05%View game
Dolphin's Pearl Deluxe 10Medium

Dolphin's Pearl Deluxe 10

Greentube

RTP 95.07%View game
4 Fantastic Lobsters GoldHigh

4 Fantastic Lobsters Gold

4ThePlayer

RTP 96.00%View game
Lord of the Ocean 10 Win Ways Buy BonusHigh

Lord of the Ocean 10 Win Ways Buy Bonus

Greentube

RTP 95.15%View game
Pearl LagoonHigh

Pearl Lagoon

Play'n GO

RTP 84.85%View game
6 Pure PearlsMedium

6 Pure Pearls

Games Global

RTP 86.70%View game
Coral IslandHigh

Coral Island

Amusnet

RTP 96.22%View game
Sea of PearlsHigh

Sea of Pearls

Skywindgroup

RTP 96.53%View game
Shark WashHigh

Shark Wash

Relax Gaming

RTP 96.06%View game
Moonlight Fortune 50Medium

Moonlight Fortune 50

Synot

RTP 85.05%View game
Riptide Pirates 2 Kraken RichesMedium

Riptide Pirates 2 Kraken Riches

Games Global

RTP 94.18%View game
Riches Of The Deep 243 WaysMedium

Riches Of The Deep 243 Ways

Barbara Bang

RTP 95.00%View game

Where are you playing from?

Operators, bonuses and odds are only shown for the market you're in, so we can list what's actually licensed there.

Underwater Casino Games

What the Underwater theme covers

Underwater is a small theme collection for players. It brings together casino games with an undersea theme, while each title can use its own visual approach. Every game in this collection is a slot. Slot games use spins to evaluate symbol combinations according to their individual rules; check a game's rules screen for how that title works.

The studios most represented, in order, are Games Global, Yggdrasil, 4ThePlayer, Relax Gaming, and Wizard Games. The examples below are slots from several of these studios, so the theme is not limited to one provider.

Compare RTP and volatility

Among the widely carried examples, Treasure Tumble from Relax Gaming has a 94.5% RTP and high volatility. Fisherman's Bounty from Wizard Games has a 94% RTP and medium volatility. Games Global's Fishin Madness QUADGROWS has a 92.1% RTP and high volatility. Another Games Global slot, Action Bass, has a 92.69% RTP and high volatility.

RTP is a theoretical long-run average for one game configuration, not a prediction for a session. The same game can use different RTP configurations at different operators, so the information panel for the game you open at a casino determines the applicable figure. Sort the game list by RTP to compare the displayed values; check volatility separately, since it describes the pattern of variance rather than the long-run return.

Choosing an Underwater slot

Use the list to compare titles and open a game's page for its details before choosing. A high-volatility label may suit someone comfortable with greater variation between results, while a medium label indicates a different volatility profile. Neither label predicts the outcome of a session.

Casino availability can vary by market. Players can check the casino listings to see which titles they can access, or browse the wider slot games section to compare other themes.

Frequently Asked Questions

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