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Triple Cherry unveils Arcane Destiny
Featuring five reels, three rows and 10 paylines, Arcane Destiny's gameplay sees symbols can transform into different Major Arcana, each bringing a unique feature to the game.

Habanero crowns a hungry new hero in King Frog Feast
The action builds as the King Frog Wild moves across the screen, with four or more bugs caught in a single spin seeing him expand into a giant 2x2 wild.

Evoplay throws open the gates on Oktoberfest with Piggyfest Bonanza
Set in a Bavarian hall, three cheerful pigs in traditional dress host the celebration, with the reels loaded with pretzels, sausages, golden horns, oak barrels and overflowing drink.

Top 10 new online slots for September 2026
September brings another wave of fresh online slots, giving players plenty of new titles to explore across the industry.

Pragmatic Play unveils shining scatters in Helios – Triple Sun
With the Greek god of the sun overseeing the tumbling reels, scatters are collected by three corresponding pots above the grid and can randomly trigger the bonus game with eight bonus spins.

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Underwater Themed Online Casino Slot Games

517 slot games are available to players. edit your preferences

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451 Siren's Spell Siren's Spell Slot

Software: Habanero
Release Date: 27 June 2023
Themes: Ocean, Underwater
Features: 5 Reels, 25 Lines, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Nudge, Hold, Mobile Gaming
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452 Siren's Treasure: 15 Lines Siren's Treasure: 15 Lines Slot

Software: Spinomenal
Release Date: September 2019
Themes: Treasure, Fantasy, Ocean, Mermaid, Deep Sea Exploration, Underwater
Features: 5 Reels, 15 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Hold, Re-Spin, Mobile Gaming
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453 Sirenas Sirenas Slot
Number of Sites: 9
Software: Greentube
Release Date: November 2016
Themes: Fruit/Vegetables, Boats, Mermaid, Underwater
Features: 5 Reels, 10 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Gamble Feature, Mystery Bonus
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454 Sirenas de la Suerte Sirenas de la Suerte Slot
Number of Sites: 15
Software: MGA Games
Themes: Treasure, Ocean, Mermaid, Deep Sea Exploration, Underwater, Spanish
Features: 3 Reels, 1 Line, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Nudge, Mobile Gaming
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455 Slingo Shark Week Slingo Shark Week Slot

Software: Slingo
Release Date: May 2022
Themes: Animals, Nature, Fish, Underwater
Features: 5 Reels, 32 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Mobile Gaming
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456 Splashtastic! Splashtastic! Slot
Number of Sites: 12
Release Date: September 2018
Themes: Adventure, Ocean, Nature, Fish, Tropical, Underwater
Features: 3 Reels, 5 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Scatter Symbol, Mobile Gaming
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457 Squid from the Deep Squid from the Deep Slot

Software: BF Games
Release Date: March 2022
Themes: Ocean, Nature, Fish, Deep Sea Exploration, Underwater
Features: 5 Reels, 40 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Gamble Feature, Mobile Gaming
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458 Stacks of Pearls Stacks of Pearls Slot

Software: Games Global, Lightning Box Games
Release Date: October 2019
Themes: Treasure, Gold, Ocean, Mermaid, Underwater
Features: 5 Reels, 30 Lines, Bonus Round, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Hold, Re-Spin, Mobile Gaming
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459 Sub Sea Slots Sub Sea Slots Slot
Number of Sites: 9
Software: Bede Gaming
Themes: Ocean, Fish, Deep Sea Exploration, Underwater, Octopus
Features: 5 Reels, 5 Lines, Instant Play, Autoplay, Video Slots
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460 Submarine Submarine Slot
Number of Sites: 1
Software: Kajot
Themes: Deep Sea Exploration, Underwater
Features: 5 Reels, 9 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Scatter Symbol, Gamble Feature
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461 Submarine Realm Submarine Realm Slot
Number of Sites: 3
Themes: Animals, Ocean, Fish, Underwater, Octopus
Features: 5 Reels, 10 Lines, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol
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462 Submarine Realm 2 Submarine Realm 2 Slot
Number of Sites: 36
Themes: Animals, Ocean, Fish, Underwater
Features: 5 Reels, 10 Lines, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol
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463 Submarine Riches Submarine Riches Slot

Software: Reevo
Release Date: 8 March 2023
Themes: Ocean, Ships, Deep Sea Exploration, Underwater
Features: 5 Reels, 30 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Mobile Gaming
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464 Sunken Riches Sunken Riches Slot

Software: Skywind Group
Release Date: 9 March 2023
Themes: Pirates, Treasure, Ocean, Ships, Shipwreck, Underwater
Features: 5 Reels, 15 Lines, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Mobile Gaming
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465 Sunshine Reef Sunshine Reef Slot
Number of Sites: 260
Software: Games Global, Eyecon, GECO Gaming
Themes: Treasure, Ocean, Underwater
Features: 5 Reels, 9 Lines, Bonus Round, Instant Play, Video Slots, Gamble Feature
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466 Temperance Temperance Slot
Number of Sites: 130
Software: Games Global, Old Skool Studios
Themes: Adventure, Sci-Fi, Machinery, Underwater, Action, Future
Features: 5 Reels, 20 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Gamble Feature, Mobile Gaming
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467 Temple Cash: Frogs 'n Flies Temple Cash: Frogs 'n Flies Slot

Software: Games Global, Lightning Box Games
Release Date: March 2019
Themes: Animals, Adventure, Gold, Nature, Jungle, Money, Underwater
Features: 5 Reels, 1024 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Multiple Jackpots, Mobile Gaming
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468 The Codfather The Codfather Slot
Number of Sites: 440
Software: NextGen Gaming, SkillOnNet
Release Date: 26 July 2013
Themes: Ocean, Gangster, Underwater
Features: 5 Reels, 20 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Mobile Gaming
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469 The Greatest Catch The Greatest Catch Slot

Software: Evoplay
Release Date: April 2022
Themes: Fishing, Fish, Underwater
Features: 5 Reels, 10 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Mobile Gaming
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470 The Orca, the Iceberg and the Penguin The Orca, the Iceberg and the Penguin Slot
Number of Sites: 9
Software: Skywind Group
Themes: Animals, Asian, Chinese, Ocean, Winter, Fish, Underwater
Features: 5 Reels, 30 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Mobile Gaming
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471 Thunder King Thunder King Slot
Number of Sites: 1
Software: Aristocrat Gaming
Release Date: 23 August 2013
Themes: Mystic, Lightning, Ocean, Mermaid, Underwater
Features: 5 Reels, 30 Lines, Bonus Spins, Video Slots, Scatter Symbol
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472 Tidal Riches Tidal Riches Slot

Software: Greentube, Novomatic
Release Date: January 2019
Themes: Animals, Treasure, Ocean, Nature, Fish, Underwater
Features: 6 Reels, 50 Lines, Bonus Round, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Gamble Feature, Mobile Gaming
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473 Treasure Diver Treasure Diver Slot
Number of Sites: 218
Software: EveryMatrix, Habanero
Release Date: September 2015
Themes: Treasure, Ocean, Shipwreck, Underwater, Exploration
Features: 5 Reels, 25 Lines, Bonus Spins, Instant Play, Autoplay, Video Slots, Multiplier, Wild Symbol, Scatter Symbol, Gamble Feature
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474 Treasure Hunter Treasure Hunter Slot
Number of Sites: 10
Themes: Treasure, Deep Sea Exploration, Underwater
Features: 5 Reels, 25 Lines, Bonus Round, Bonus Spins, Autoplay, Video Slots, Wild Symbol, Scatter Symbol
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475 Treasure Keeper Treasure Keeper Slot

Software: R Franco
Themes: Treasure, Ocean, Mermaid, Underwater
Features: 5 Reels, 243 Lines, Bonus Spins, Instant Play, Autoplay, Video Slots, Wild Symbol, Scatter Symbol, Re-Spin, Expanding Wild, Mobile Gaming

 
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