The Underwater Zone

Games set beneath water, with diving, oceans, submarines, or aquatic life.

Latest Standouts

Recent releases that landed well, newest first, filtered to games with enough reviews to trust the score.

Port of Jumanah - Pearl diving is an ancient tradition... until you showed up. Dive into the depths, poke things you probably shouldn't, battle sea monsters, recruit questionable allies, upgrade your gear, rebuild your port, and make increasingly questionable decisions in this roguelite action adventure.
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Sep 7, 2026
100% 👍
of 170
Deep Blue Sushi - Deep Blue Sushi is a casual 1–5 player co-op adventure where you explore the ocean, catch fresh fish, prepare sushi, serve customers, and grow your restaurant while uncovering the secrets of the mysterious Deep Blue.
Static Dread: The Submarine - Descend into Lovecraftian horror aboard a claustrophobic military submarine. Assign tasks as a captain’s right hand, analyze sonar signals, make hard decisions, and keep the crew from madness. Dark horrors lurk both within… and beyond the hull.
FULL METAL COFFIN - FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players. Load the torpedoes, dodge incoming fire, and eliminate the enemy.
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Jun 24, 2026
94% 👍
of 162
There's Nothing Down There - There's Nothing Down There is a short undersea horror exploration game. Descend into a sinkhole at the bottom of the ocean and discover the remains of a lost, yet not dead, civilization.
Life Below - Life Below is a refreshing twist on the city-building genre, set beneath the waves. Shape thriving coral reefs, revive collapsing ecosystems, and grow a living seascape in a heartfelt narrative by Rhianna Pratchett. You are the ocean's final hope.
NAMAKORIUM (ナマコリウム) - Namako (Sea cucumbers) will save the Earth—NAMAKORIUM is a chaotic, cooperative multiplayer RTS game for up to four players. Command the “cleaners of the sea” —Namako left behind by humanity and work together to clean up the polluted oceans!
SHRIMP GAME: KRILL CONFIRMED - SHRIMP GAME: KRILL CONFIRMED is a solo or multiplayer third-person shooter RPG intro to SHRIMP GAME set in an abyssal realm. Pilot your SHRIMP platform to fight giant sea monsters, master elemental classes, and unearth secrets in a co-op campaign, or just krill your friends in multiplayer PVP!

On Sale Now

Discounted 25% or more right now, limited to well-reviewed games, steepest cuts first.

In Other Waters - Players say: As an AI in a diving suit, guide xenobiologist Ellery through an alien ocean, cataloguing life and tracing its mysteries. Players like: Immersive Soundscape · Alien Ecosystem · Evocative Writing ·
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Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?

DAVE THE DIVER - Players say: Dive into the shifting Blue Hole to catch fish and gather supplies by day, then turn your haul into sushi at night. Players like: Day-Night Gameplay Loop · Frequent New Activities · Quirky Character Humor ·
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DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole.

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Jun 28, 2023
96% 👍
of 162k
Aquarist - Players say: Build and maintain custom aquariums, match fish to their needs, fulfill client jobs, and expand a small aquarium business. Players like: Creative Tank Building · Fish Variety and Care · Relaxing Simulator Pace ·
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Build beautiful aquariums, care for exotic marine life, complete creative customer jobs, and grow your own aquarium business into a world-class oceanarium in this relaxing sandbox simulation.

Hidden Gems

Well-liked but under-played: strong scores, small review counts.

Subside - Players say: Use hand-driven VR swimming to explore underwater sites, encounter marine life, and collect finds that unlock gear and areas. Players like: Lifelike Underwater Visuals · Immersive Swimming And Sound · Relaxing Exploration ·
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Subside is an immersive aquatic VR experience with multiple areas to explore and lifelike aquatic creatures to interact with. Crafted with unparalleled realism, it aims to replicate the nuances of real-life swimming and diving in shallow waters

Crash Dive 2 - WWII Tactical submarine combat in the South Pacific
Behind Glass: Aquarium Simulator - Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike fish, plants, decorations, and more. Transform your monitor into a vibrant, living aquarium. Virtual aquascaping has never been easier!
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Jan 8, 2025
95% 👍
of 418
G-Darius HD - You will see the creation of new lives... Capture enemies and fire them back at their allies as enormous beams of energy in this horizontally scrolling shooting game, featuring 5 versions of G-Darius with new features, enhancements, and Steam exclusive extras!
My Koi - Players say: Create koi ponds, customize and feed fish, then watch them grow and unlock new varieties in a quiet aquarium-like simulation. Players like: Peaceful Atmosphere · Lifelike Fish · Koi Variety ·
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My Koi, number 1 hit on the Mac App Store (Games), is a beautiful and relaxing fish pond app. Customise and name each fish. Feed them daily. Watch them grow. Collect new fish. Escape and Relax.

Zen Aquarium - Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!
Fight Crab 2 - Clash claws and flip opponents belly-up in physics-based crab battles! Combine dual-wielded weaponry with multiple fighting stances to create a custom fighting style. Bash, blast, scoop and pummel enemies onto their backs to achieve victory!
Darius Cozmic Collection Arcade - Darius is one of the pioneers of the side-scrolling shoot 'em genre, and the Steam version replicates the multi-screen arcade experience with 4 different titles and 7 versions filled with aquatic-lifeform-themed bosses and epic, Zuntata-composed soundscapes!

Top Rated

Defining examples of the genre, all rated 85%+ across 1,000+ reviews.

South Scrimshaw, Part One - Players say: Follow a newborn Brillo whale through an alien ocean in a documentary-style visual novel with illustrated biology and field notes. Players like: Detailed Hand-Drawn Art · Imaginative Alien Biology · Documentary-Style Story ·
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South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

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Jun 9, 2023
99% 👍
of 1.6k
Loddlenaut - Players say: As an interstellar custodian, clean a polluted alien ocean, recycle debris into gear, and raise creatures shaped by their diet. Players like: Satisfying Ocean Cleanup · Relaxing, Low-Pressure Pace · Cute Loddle Creatures ·
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Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!

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Nov 16, 2023
98% 👍
of 6.3k
Subnautica - Players say: Stranded on an alien ocean, gather, craft and build your way into deeper waters while managing survival and avoiding predators. Players like: Immersive Ocean Exploration · Tense Sound And Atmosphere · Beautiful Underwater World ·
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Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.

Megaquarium - Players say: Build and run a public aquarium, matching aquatic species with suitable tanks while managing staff, visitors, research, and finances. Players like: Tankmate Compatibility · Relaxing Aquarium Building · Campaign Challenges ·
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The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.

Barotrauma - Players say: Lead a crew through Europa’s alien ocean, piloting and repairing a submarine while taking on missions and fending off creatures. Players like: Co-op Crew Stories · Tense Ocean Atmosphere · Emergent Disasters ·
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Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!

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Mar 13, 2023
94% 👍
of 90k
SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated - Players say: Play as SpongeBob, Patrick, and Sandy, platform through Bikini Bottom, fight robots, and collect spatulas to unlock new areas. Players like: Nostalgic SpongeBob World · Enjoyable 3D Platforming · Colorful Updated Visuals ·
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Are you ready, kids? The cult classic is back, faithfully remade in spongetastic splendor! Play as SpongeBob, Patrick and Sandy and show the evil Plankton that crime pays even less than Mr. Krabs.

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Jun 23, 2020
94% 👍
of 18k
Cat Goes Fishing - Players say: As a fishing cat, catch sea creatures with behavior-specific tactics, upgrade your gear, and sail farther to fill your catalog. Players like: Distinctive Fish Behaviors · Gear And Boat Progression · Relaxing Fishing Sessions ·
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Start out on an island with a basic rod. Progress into a radar-wielding master fisher-cat scouring the sea for the biggest and baddest fish. Each fish has unique behaviors that you will learn to exploit as you tailor your arsenal of fishing rods to suit your style of play. Mrrrow!

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Jan 19, 2015
94% 👍
of 16k
IronWolf VR - Players say: Crew a VR submarine alone or with friends, operate its controls, hunt enemy ships, and survive attacks from above and below. Players like: Immersive Submarine · Co-op Sessions · Tense Depth Charges ·
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IronWolf VR is a roomscale submarine game playable either singleplayer or online co-op with motion controls. Built from the ground up for VR, each part of the submarine has been crafted for an optimal VR experience.

Primordialis - Players say: Build a physics-driven aquatic creature from cells, then explore hostile biomes and fight through a roguelike run. Players like: Creative Creature Building · Cell Combinations · Physics-Driven Builds ·
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Primordialis is a physics-based roguelike fish builder. Unleash your creativity to defeat creatures using venomous tentacles, electrical shocks, or exploding children. The possibilities are endless. Explore the primordial depths to reveal its secrets and discover what lies beyond.

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Jul 2, 2025
94% 👍
of 1.0k
ABZU - Players say: Guide a mysterious diver through living ocean ecosystems, swimming with sea life, exploring ruins, and restoring damaged waters. Players like: Vivid Ocean Environments · Relaxing Soundtrack · Swimming With Wildlife ·
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From the art director of Journey®, ABZÛ is a beautiful underwater adventure that evokes the dream of diving. Immerse yourself in a vibrant hidden world bursting with color and life as you descend into the heart of the ocean. But beware as you swim deeper as dangers lurk in the depths.

PROXIMATE - Players say: A contractor searches a silent deep-sea lab for lost research, navigating by an unreliable text-reading AI visor and sound. Players like: Unusual Visor Mechanic · Strong Character Writing · Tense Sound Design ·
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Congratulations, contractor! You've been approved to trial our cutting-edge AI visor. Use it to explore the Neuras lab and recover the staff's research. Your visor is safe, reliable, and up to 99% accurate. Just don't ask why the "ketchup" in the corner makes such a horrible crunching sound.