- #1 Thalassophobia
97% matchPositive100% of 12 reviews2024
Dev: NGreenDev
Windows
As a cataclysmic event rocks the planet, you find yourself in an old, decrepit submarine tasked with only one goal: survive. Manage the internal systems to keep yourself alive and fend off undersea horrors as they attempt to cut your journey short.
Why similar: Submarine 56.6% ★, Underwater 31.5% ★, Simulation 5.5%, 3D 4.5%, Atmospheric 1.7%
- #2 Subwar 2050
96% match4 user reviews75% of 4 reviews2017
Dev: Particle Systems Ltd.Pub: Interplay
Windows · Mac · Linux
Subwar 2050 is a futuristic submarine combat simulator. Pilot four types of submarine including deep-sea exploration vessels, reconnaissance subs, and highly maneuverable fighter submarines. Explore thousands of square miles of mapped 3d underwater seascapes in four different campaigns.
Why similar: Submarine 35.5% ★, Underwater 27.1% ★, Naval 8.4% ★, War 7.8%, Shooter 5.8%
- #3 Tigershark
96% match2 user reviews100% of 2 reviews2025
Dev: N-SpacePub: Bleem.net
Windows
2060 A.D. The Red Menace has resurfaced. The Sea Boils with submarines and battlecruisers, blood and oil. The skies are dark with enemy birds. Tigershark has been deployed. A fully-loaded subfoil prototype.
Why similar: Submarine 35.2% ★, Underwater 20.9% ★, Naval 16.4% ★, Third-Person Shooter 12.8%, Shooter 5.3%
- #4 Sunken Seeker
95% match4 user reviews50% of 4 reviews2026
Dev: Reckonment Studio
Windows
Sunken Seeker is a short, first-person underwater horror experience. Forced to pilot a decaying submersible, you have 7 days to pay off a massive debt. Navigate pitch-black waters, scan for salvage beyond your headlights, and survive the shift before the Director cuts your life support.
Why similar: Submarine 51.8% ★, Underwater 35.4% ★, Simulation 5.6%, 3D 4.8%, Atmospheric 2.1%
- #5 Modern Naval Warfare
94% matchMixed61% of 36 reviews2026
Dev: Wave OpsPub: Matrix Games
Windows
Command the silent service. Modern Naval Warfare is the definitive tactical simulation that puts you inside the pressure hull of a Virginia-Class nuclear submarine. This uncompromising tactical simulation offers unparalleled depth in graphics, physics, and authentic combat systems.
Why similar: Submarine 37.2% ★, Underwater 18.7% ★, Naval 14.3% ★, Military 9.9%, War 7.6%
- #6 Silent Depth 3D Submarine Simulation
94% matchMixed63% of 80 reviews2018
Dev: Codeknitters
Windows
Submarine Simulation playing in WWII in the Pacific.
Why similar: Submarine 39.7% ★, Underwater 24.5% ★, Naval 13.6% ★, War 8.6%, Simulation 5.2%
- #7 Discoveries of the Deep
92% match1 user reviews100% of 1 reviews2021
Dev: Capstone SoftwarePub: Ziggurat
Windows
Join an expedition to the unexplored abyss – a fascinating world of strange creatures, lost vessels, and a wealth of untold secrets. Search for ancient wrecks, underwater trenches, missing airplanes, and even the Titanic. Climb on board your mini-sub and dive as deep as you dare!
Why similar: Submarine 49.8% ★, Underwater 37.9% ★, Simulation 6.8%, Strategy 2.1%, Atmospheric 1.8%
- #8 Kosmocean - The Endless Sea
91% matchNo user reviews
Dev: Warp Zone Corporation
Windows
Adventure and submarine exploration game. Control your Bathyscaphe with the help of a logbook. Through the game puzzles, bullet-hell sequences, and skill-based challenges, you will be plunged miles and miles into the depths where the ocean seems to have no end.
Why similar: Submarine 48% ★, Underwater 29% ★, Naval 15.6% ★, Atmospheric 2.7%, Action 2.3%
- #9 Uboat Mechanic Simulator
91% matchNo user reviews
Dev: Live Motion Games
Windows
The new kind of mechanic is in the town - if you've ever dreamt about reparing big large underwater boats this is the place just for you! Check the damage, repair and fix the boats and make sure they're ready to be manned.
Why similar: Submarine 39.9% ★, Underwater 24.6% ★, Naval 17.6% ★, Military 7%, Simulation 4.3%
- #10 FULL METAL COFFIN
90% matchNo user reviews
Dev: Titanite
Windows
FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 8 players. Load the torpedoes, survive depth charges, and eliminate the enemy. Fight for resource deposits below the Antarctic, and dominate the new frontier.
Why similar: Submarine 44.9% ★, Underwater 26.3% ★, Naval 8% ★, Military 6%, Simulation 5.6%
- #11 The Abyss Below
89% matchNo user reviews
Dev: Broken Relay
Windows
The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.
Why similar: Submarine 52.1% ★, Underwater 35.9% ★, 3D 5.3%, Simulation 4.7%, Atmospheric 1.9%
- #12 IronWolf: Free Non-VR Edition
89% matchVery Positive94% of 650 reviews2023
Dev: Ionized Studios
Windows
Median: 1.7 hrsMean: 3.3 hrs≥1hr: 65%
This is the Free Non-VR version of IronWolf VR. A co-op submarine game with a light touch on realism, making the submarine sim genre accessible to a wider audience.
Why similar: Submarine 53.2% ★, Naval 12.8% ★, Underwater 10.5% ★, Military 9.1%, Simulation 5.3%
- #13 UBOAT: The Silent Wolf VR
87% matchMixed58% of 81 reviews2024
Dev: Titan GameZ
Windows
UBOAT: The Silent Wolf is an amazing combination of a role-playing game and a simulator, offering a deep and immersive experience, allowing you to feel like a real submarine captain during World War II.
Why similar: Submarine 32.5% ★, Underwater 20.4% ★, Naval 14.2% ★, War 12.6%, Military 9.2%
- #14 Sub Command
88% matchMostly Positive75% of 144 reviews2006
Dev: SonalystsPub: Strategy First
Windows
Take charge of the most deadly modern-day submarines in the world - three distinct submarines across two unique and challenging campaigns. Utilize cutting-edge sensor and weapon technology to locate, track and destroy the enemy - even deliver Tomahawk missiles to inland targets.
Why similar: Submarine 37.9% ★, Underwater 22.1% ★, Naval 16.4% ★, Military 10.1%, War 5.5%
- #15 7821 Akuji
86% match4 user reviews100% of 4 reviews2025
Dev: CatBiteStudios
Windows
7821 Akuji is a first person liminal horror experience. Pilot a tiny, jury-rigged submersible to rescue a lost science crew.
Why similar: Submarine 53.8% ★, Underwater 32.5% ★, Simulation 5.3%, 3D 4.7%, Realistic 1.4%
- #16 SeaWolf VR
86% match7 user reviews71% of 7 reviews2022
Dev: Michal BártaPub: 3DA
Windows
Dive into the deep virtual waters and become a SeaWolf. Shoot your missiles and torpedoes at hostile submarines, minesweepers and tankers, actively avoid depth charges and enemy torpedoes, use defensive shield while trying to protect sea animals.
Why similar: Submarine 29.7% ★, Underwater 23% ★, Naval 16.8% ★, Shooter 7.9%, Military 7.8%
- #17 Morse Depths: WWII
85% matchNo user reviews2026
Dev: Sasunia Game Studio
Windows
Take command of a WWII submarine. Master Morse Code to fire torpedoes, defuse mines, and survive the final siege. From 1942 to 1945, every dot and dash is the difference between glory and the ocean floor.
Why similar: Submarine 47.4% ★, Naval 17.9% ★, Underwater 15% ★, Military 7.7%, Simulation 4.7%
- #18 ENDER OCEAN - Your mission: "Clean the Ocean"
84% matchMostly Positive75% of 15 reviews2022
Dev: Ender Ocean
Windows · Mac · Linux
The Ender Ocean principle? Locate and collect waste (plastic bags, bottles, lost nets...) thanks to underwater robots connected to a collection boat, in order to valorize them afterwards, all from home.
Why similar: Underwater 41.8% ★, Submarine 39.8% ★, Simulation 10.2%, 3D 5.4%, Realistic 2.4%
- #19 ARKWHALE
84% matchNo user reviews
Dev: Etchu Jima ShipyardPub: Etchu Jima Shipyard
Windows
ARKWHALE is a new submarine casual simulator. As the captain of a submarine, you will devise tactics, navigate your vessel, and carry out dangerous missions to annihilate enemies. Experience powerful weapons and advanced underwater technology!
Why similar: Submarine 33.2% ★, Underwater 21% ★, Naval 13.5% ★, Military 8.8%, War 8.1%
- #20 Cleaning The Ocean
82% matchNo user reviews
Dev: Nasheik
Windows · Linux
The ocean didn't get dirty on its own. Pilot your submarine through vast underwater worlds, collect the trash humanity left behind, and uncover what's been growing in the dark. Clean, explore, upgrade and try not to look too closely at what's following you.
Why similar: Submarine 57.8% ★, Underwater 33% ★, Simulation 7%, 3D 2.1%, Singleplayer 0.1%
- #21 Submarine VR
83% matchMostly Positive68% of 22 reviews2021
Dev: EXTREMESOFTPub: EXTREMESOFT BILISIM REKLAMCILIK TICARET LIMITED SIRKETI
Windows
Submarine VR takes you on a adventure-filled underwater simulation experience! Dive deep and cruise through the endless uncharted nature of the ocean and you will see clownfish, dolphins, penguins and mysterious sea animals. Get close to the sea surface and sail in the open sea with your cruise ship
Why similar: Submarine 63.1% ★, Underwater 24.2% ★, Simulation 7.8%, Action 3%, Realistic 1.7%
- #22 Abyssalis
82% matchNo user reviews
Dev: Veneficus
Windows
Descend through the ocean layers, purify marine life, and survive the abyss in this bullet hell roguelite. Face colossal bosses, choose powerful upgrades, and uncover the curse's origin. Can you save the ocean before you become fish bait?
Why similar: Submarine 50.7% ★, Underwater 38.9% ★, Shooter 3.5%, Atmospheric 3.4%, Action 2.2%
- #23 Uboat Attack
81% matchPositive85% of 13 reviews2025
Dev: VOODOOPub: QubicGames
Windows
Become a legendary commander in the ultimate naval warfare simulator! Command a powerful submarine, unleash devastating torpedoes, and crush enemy armadas. Conquer tactical missions, dominate the seas, and rise through the ranks. Experience breathtaking combat and forge your path to naval supremacy!
Why similar: Submarine 51% ★, Shooter 11%, War 10.8%, Military 7.6%, Simulation 6%
- #24 Abyssal Rust
81% matchNo user reviews
Dev: Inmersionbit
Windows
Navigate an open-world ocean in a rusted submarine with monstrous creatures lurking in the depths. Collect artifacts, upgrade your submarine and descend into even deeper waters. If you didn’t fear the deep sea before, now you will.
Why similar: Submarine 49.8% ★, Underwater 39.2% ★, Naval 8.2% ★, 3D 2.5%, Singleplayer 0.2%
- #25 Submarine Terror
80% matchPositive89% of 18 reviews2024
Dev: Sungame Studio
Windows
A sinister entity lurks in the depths. Descend into the abyss and extract knowledge about it.
Why similar: Submarine 61.8% ★, Underwater 32.9% ★, Atmospheric 3%, Realistic 2%, Singleplayer 0.3%
- #26 Under The Waves
78% matchMostly Positive78% of 1,896 reviews2023
Dev: Parallel StudioPub: Spotlight by Quantic Dream
Windows
Median: 2.5 hrsMean: 21.5 hrs≥1hr: 70%
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
Why similar: Underwater 47.1% ★, Submarine 40.6% ★, Atmospheric 3.6%, 3D 3.5%, Third Person 2.9%
- #27 Search for the Titanic
79% match3 user reviews100% of 3 reviews2021
Dev: Capstone SoftwarePub: Ziggurat
Windows
As an inexperienced oceanographer, you must build your skills, reputation, crew, and resources along your journey to mount an expedition to find the lost Titanic. Experience the challenges, dangers and excitement of scientific underwater exploration!
Why similar: Submarine 44.8% ★, Underwater 30.3% ★, Naval 18.2% ★, Simulation 2.8%, Strategy 2.1%
- #28 Aquarift
78% matchNo user reviews
Dev: FloxStudios
Windows
Survive in a harsh underwater environment filled with mysterious and aggressive fauna. Gather resources, build bases, and craft equipment to explore an underwater alien world! Swim through interconnected biomes in a metroidvania style.
Why similar: Submarine 61% ★, Underwater 36.4% ★, Action 2.3%, Singleplayer 0.3%
- #29 Crash Dive
79% matchVery Positive90% of 198 reviews2015
Dev: Panic Ensues Software
Windows
WWII tactical submarine combat! Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a daring night attack.
Why similar: Submarine 39.2% ★, Underwater 20.4% ★, Naval 16.5% ★, War 8.6%, Military 8.3%
- #30 Crash Dive 2
77% matchVery Positive95% of 237 reviews2021
Dev: Panic Ensues Software
Windows
WWII Tactical submarine combat in the South Pacific
Why similar: Submarine 43.2% ★, Naval 18.7% ★, Underwater 14.7% ★, Military 7.3%, Simulation 4.4%
- #31 Sub-Species
76% matchNo user reviews
Dev: Howling Hamster Entertainment
Windows
At first the alien outbreak spreading throughout the oceans was confined. We delayed our extinction rather than avert it. As part of a salvage crew, you search the hellish containment zones, where a treasure trove of lost tech can help you and your crew eke out a living in a slowly dying world.
Why similar: Submarine 47.1% ★, Underwater 33.5% ★, Naval 11.1% ★, Action 3.8%, Atmospheric 2.4%
- #32 Titanic Terror
76% matchNo user reviews
Windows
A submarine touring the Titanic has gone missing. As part of the coast guard, you have been called in to locate and rescue the crew before their oxygen runs out.
Why similar: Submarine 54.1% ★, Underwater 34.2% ★, 3D 5.4%, Simulation 4.1%, Atmospheric 2%
- #33 20,000 Miles Under the Sea
77% matchMostly Negative39% of 150 reviews2020
Dev: CreaTeam
Windows
Become a fearless underwater explorer and reach the bottom of The Mariana Trench to win 20,000* REAL DOLLARS!
Why similar: Submarine 52.6% ★, Underwater 34.7% ★, Simulation 5.5%, 3D 3.8%, Realistic 1.6%
- #34 Ocean Pressure
75% matchMixed66% of 29 reviews2023
Dev: Ivan Huliakevich
Windows
Ocean Pressure is a singleplayer game where you as an old scientist piloting your handmade submarine in the bottom of the ocean. Your mission is explore the ocean and collect required data with help of your submarine.
Why similar: Submarine 51.8% ★, Underwater 32.8% ★, 3D 4.9%, Simulation 3.5%, Action 2.2%
- #35 CRUSH DEPTH
73% matchVery Positive98% of 58 reviews2025
Dev: Earth Giant
Windows
CRUSH DEPTH is first-person sci-fi horror game set at the bottom of the ocean. A salvage operation that would set you up for life goes sideways when you realize you're not alone down there. You'll solve puzzles and run from danger as you uncover the mysterious fate of Eclipse Station.
Why similar: Submarine 48.3% ★, Underwater 37.1% ★, 3D 4.9%, Simulation 3.9%, Action 2.4%
- #36 Sea under the sea under the sea
74% match6 user reviews17% of 6 reviews2024
Dev: MA
Windows
An underwater survival horror game where the Earth is covered in water
Why similar: Submarine 55.7% ★, Underwater 38.2% ★, Action 2.7%, Atmospheric 1.7%, Story Rich 1.4%
- #37 Silent Hunter® III
75% matchVery Positive88% of 2,591 reviews2008
Dev: Ubisoft
Windows
Median: 1.6 hrsMean: 14.6 hrs≥1hr: 55%
The king of submarine simulations returns with an all-new 3D engine, new crew command features, and more realistic WWII naval action than ever before. The movie-like graphics and simple, tension-filled gameplay make this the perfect game for the realism fanatic and the casual gamer.
Why similar: Submarine 51.9% ★, Naval 16.6% ★, Underwater 13.2% ★, Military 9.8%, Simulation 5.6%
- #38 Flash Diving
72% matchMixed70% of 23 reviews2026
Dev: Paraxodon
Windows
Short horror game where you survey the descent of a capsule through a hole in the middle of an ocean, with only 4 lights and your ears to ensure your surroundings remain clear.
Why similar: Submarine 53.5% ★, Underwater 38.1% ★, 3D 4.4%, Atmospheric 3.5%, Singleplayer 0.5%
- #39 KURSK
74% matchMixed48% of 490 reviews2018
Dev: Jujubee S.A.Pub: Salient Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 4.3 hrs≥1hr: 78%
KURSK is the first ever adventure and documentary video game inspired by real events. You assume the role of a spy who finds way on the Russian nuclear submarine K-141 Kursk. While trying to complete your mission, you become witness to the dramatic events which shook the world at that time.
Why similar: Submarine 45.3% ★, Naval 19.2% ★, Underwater 18.4% ★, Military 10.6%, Simulation 3.4%
- #40 Manta
72% matchNo user reviews
Dev: Tao LangstonPub: Psychoclast Software
Windows
Sci-fi combat flight-sim featuring underwater stealth-action, and real-time strategy. Pilot the unique biological fighter Manta through the skies and through the depths as you command a fleet of warships, and mine the ocean floor for resources.
Why similar: Submarine 42.9% ★, Underwater 27.2% ★, War 10.2%, Shooter 6.8%, 3D 4.1%
- #41 Dangerous Waters
73% matchMostly Positive78% of 398 reviews2006
Dev: SonalystsPub: Strategy First
Windows
Median: 12 minMean: 7.7 hrs≥1hr: 32%
S.C.S. - Dangerous Waters allows you total control over multiple air, surface, and submarine platforms in a modern-day naval environment. Take direct control of individual crew stations and also plan and execute combined arms naval strategies from a top-down 'Commanders Eye' perspective.
Why similar: Submarine 42.7% ★, Naval 19.6% ★, Military 11.8%, War 8.2%, Underwater 8.1% ★
- #42 Nuclear Sub: Prologue
71% matchNo user reviews2026
Dev: Mobilway S.A.Pub: Games Incubator
Windows
The Prologue is just part of the gameplay that awaits you in the full version of the game. A realistic nuclear submarine simulator will allow you to take command of your crew and battle your fiercest enemies. Arm yourself with missiles, dive into the ocean and fight for your country
Why similar: Submarine 45.1% ★, Underwater 17.7% ★, Naval 14.2% ★, War 9.8%, Simulation 4.3%
- #43 Silent Hunter®: Wolves of the Pacific
73% matchMixed70% of 1,125 reviews2008
Dev: Ubisoft RomaniaPub: Ubisoft
Windows
Median: 3.7 hrsMean: 13.7 hrs≥1hr: 67%
Hunt, hide and kill as you take command of U.S. submarines and crews and navigate the treacherous waters of the Pacific during WWII. Silent Hunter, the industry-leading naval warfare simulation franchise for over a decade, returns to its roots with next-generation graphical realism, immersive gameplay, innovative crew evolution and more...
Why similar: Submarine 66.6% ★, Naval 14% ★, Simulation 10.3%, Military 9.1%
- #44 ABYSS - 9
71% matchNo user reviews
Dev: Iron Cat Forge
Windows
In the year 5026, you are a disposable miner sent to the bottom of the ocean on the ABYSS-9 expedition. Pilot your 'iron coffin', manage unstable vital systems, and survive uncharted abyssal creatures. In the abyss, silence is as dangerous as the pressure.
Why similar: Submarine 51.8% ★, Underwater 35.4% ★, Simulation 3.8%, Atmospheric 3.6%, 3D 3.2%
- #45 Cave Dive
70% match2 user reviews50% of 2 reviews2025
Dev: Zyndrosoft Interactive
Windows
Discover a vast and mysterious underwater world hidden beneath a remote cave on the surface. With procedurally generated cave systems and up to 9,999 unique underwater environments to explore, no two dives are ever the same.
Why similar: Submarine 47% ★, Underwater 27.6% ★, Simulation 12.8%, 3D 6.5%, Atmospheric 3.2%
- #46 Battleline: Pacific
70% matchNo user reviews
Dev: Gronstedt Group
Windows
The Pacific is at war! Take command of an Arleigh Burke destroyer, hunt submarines, guard the U.S. carrier group, & master anti‑submarine warfare. Free Early Access proof of concept, tested & positively evaluated at the U.S. Naval Postgraduate School; your feedback will shape the fleet’s future.
Why similar: Submarine 45.7% ★, Naval 21.9% ★, Military 15%, War 10.6%, 3D 3.3%
- #47 Scyla
70% matchPositive80% of 15 reviews2024
Dev: Belice StudiosPub: Voxel School
Windows
Dive into the waters of Scyla, a third-person 3D exploration adventure inspired by Lovecraft's universe. Discover the mysteries hidden into the depths as you pilot a submarine through a strange cave system. Run away from a criature that stalks you.
Why similar: Submarine 55.5% ★, Underwater 34.9% ★, 3D 5.4%, Third Person 3%, Atmospheric 0.8%
- #48 Dark of the Depths
69% matchNo user reviews
Dev: Games At Dusk
Windows
A first-person deep sea exploration game. Use only a torch to navigate through rusted structures, encountering both dangerous and harmless sea creatures. Uncover the mysteries of the trench, and experience the phobia-inducing atmosphere of the ocean floor.
Why similar: Submarine 51.8% ★, Underwater 36.1% ★, Simulation 5.5%, 3D 3.8%, Atmospheric 1.5%
- #49 Beans or Bones
69% matchNo user reviews
Dev: Christian Wiele
Windows
A fun 2-player online co-op pirate game for having a good time with your best buddy. Stranded on a cannibal island, your only chance of survival is to make the cannibals like veggie food. Go on quests, fly with birds, paddle in a barrel, and use your bubble shooter to fight sharks.
Why similar: Submarine 46.3% ★, Underwater 29.2% ★, Naval 14.6% ★, 3D 5.3%, Third Person 3.4%
- #50 Submergent
68% matchMostly Positive72% of 18 reviews2024
Dev: 626 Interactive
Windows
Explore and navigate an underwater cave in your submarine.
Why similar: Submarine 57.6% ★, Underwater 34.8% ★, Atmospheric 3.9%, Simulation 3.4%, Singleplayer 0.3%
- #51 ARTDINK GAME LOG: Aquanaut's Holiday
67% match2 user reviews100% of 2 reviews2026
Dev: ARTDINK
Windows
The deep-sea exploration adventure that captivated countless players is back. What you discover in this underwater world brimming with freedom and challenges is entirely up to you. Follow your curiosity and make the most of your day off.
Why similar: Submarine 51.7% ★, Underwater 36.9% ★, Simulation 5.4%, 3D 4.4%, Atmospheric 1.4%
- #52 Europa One
69% matchPositive100% of 14 reviews2023
Dev: Wicked Rooster
Windows
Explore the ice-encrusted ocean of Jupiter's moon Europa.
Why similar: Submarine 55.1% ★, Underwater 35% ★, 3D 4.2%, Atmospheric 3%, Realistic 1.5%
- #53 Killer Depths
67% match5 user reviews60% of 5 reviews2025
Dev: Stardust Smithy
Windows
Pilot a submarine in a horrific, deep sea expedition. Study the monsters the lurk below and look for their signs. Adjust your speed, noise and light levels to scare off, or hide from whatever you think is out there. Poor judgment will lead to a watery grave.
Why similar: Submarine 57.2% ★, Underwater 35.3% ★, Atmospheric 3.3%, Realistic 2.9%, 3D 0.8%
- #54 Hadal
68% matchNo user reviews2026
Dev: CoralHeavens
Windows
Guide a Nereid Freight submarine crew through Europa’s hostile under-ice oceans. Deliver essential cargo, salvage wrecks, repair failing stations, hunt dangerous lifeforms, and survive in the crushing darkness where every dive carries risk — and nothing stays quiet for long.
Why similar: Submarine 54.6% ★, Underwater 33.4% ★, Simulation 4.4%, 3D 3.6%, Atmospheric 1.9%
- #55 Sub Optimal Co.
66% matchPositive82% of 11 reviews2026
Dev: It's A Sidegame
Windows
It's simple. Operate your submarine through challenging tight cave systems to collect the target, while not scratching the cave walls under suboptimal conditions. Navigate carefully and consider every move in this slow pace, athmospheric, multiplayer, submarine simulation-lite.
Why similar: Submarine 56.3% ★, Underwater 31.8% ★, 3D 4.5%, Simulation 3%, Atmospheric 2.7%
- #56 The Oily Depths
65% matchVery Positive85% of 88 reviews2026
Dev: Ryan R. Burns
Windows
Operate an oil-drilling submarine while taking instructions from a mysterious voice. Fail your quota, and they’ll cut your oxygen. This is deep-sea horror. Obey or drown.
Why similar: Submarine 56.9% ★, Underwater 31.2% ★, 3D 4.1%, Simulation 3.7%, Atmospheric 3.7%
- #57 The Trench
67% matchVery Positive86% of 156 reviews2022
Dev: Omar Chapa Hernandez
Windows
As captain of the Pandora sub, you must explore the Trench and retrieve data from the Neptune wreckage. But beware - the trench is home to unimaginable horrors that will test your courage. Can you survive the terrors of the deep and complete your mission, or will you become the next victim?
Why similar: Submarine 54.3% ★, Underwater 34.7% ★, Atmospheric 3%, 3D 3%, Realistic 2.6%
- #58 Barotrauma
64% matchVery Positive94% of 86,224 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.8 hrs≥1hr: 91%
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!
Why similar: Submarine 53.8% ★, Underwater 29.8% ★, Naval 8.7% ★, Simulation 4%, Action 1.7%