- #1 Sinking Eternity
97% matchNo user reviews
Dev: ZeroByte
Windows
Sinking Eternity is a single-player underwater exploration RPG. Survive extreme depths, hide from dangerous sea creatures, and uncover the secrets of a civilization lost for millennia.
Why similar: Underwater 21.6% ★, Submarine 21.5% ★, Base Building 8.9%, Crafting 8.8%, Survival 8%
- #2 Aquarift
96% 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 42.2% ★, Underwater 26% ★, Base Building 12.2%, Open World 8.7%, Crafting 7.3%
- #3 Abyssal Rust
96% 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 36.4% ★, Underwater 29.5% ★, Open World 10.5%, Survival 8.1%, Sci-fi 4.9%
- #4 Sonorous | Deep Down Below
95% matchNo user reviews
Dev: HOONAYA
Windows
SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.
Why similar: Submarine 29% ★, Underwater 24.2% ★, Base Building 11.3%, Crafting 11.1%, Open World 7.1%
- #5 Sunken Seeker
94% 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 46.2% ★, Underwater 32.6% ★, Exploration 7.6%, First-Person 5%, Simulation 4.5%
- #6 Cast Ashore
94% matchNo user reviews
Dev: Unanchored Studios
Windows
After a catastrophic rocket crash, you find yourself stranded on an island with only the ocean and unexplored land before you. Immerse yourself in a peaceful, open-world adventure where curiosity guides your journey. Survive. Build. Explore.
Why similar: Underwater 22.1% ★, Base Building 13.4%, Open World 12.6%, Sci-fi 12%, Survival 11.8%
- #7 7821 Akuji
92% 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 44.6% ★, Underwater 27.8% ★, Immersive Sim 12.5%, Sci-fi 4.8%, Simulation 4%
- #8 Under the Sea
93% match1 user reviews0% of 1 reviews2021
Dev: PixelPerBits
Windows
Under the Sea is a 3D survival mini game based on time attack, race against time to survive, collect the lights and gain time to live in a world full of enemies.
Why similar: Submarine 37.4% ★, Underwater 25.5% ★, Collectathon 15.1%, Immersive Sim 7.1%, Exploration 4.2%
- #9 I Thalassa
91% matchNo user reviews
Dev: San Liuk
Windows
Immerse yourself in an alien ocean in this open-world survival game. Explore the biomechanical depths, tame alien creatures, pilot submarines, and uncover the mysteries of the alien entity known as Thalassa.
Why similar: Submarine 33.6% ★, Underwater 26.4% ★, Open World 9.5%, Crafting 9.3%, Sci-fi 6.2%
- #10 Astrometica
90% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Space Sim 29% ★, Crafting 13.2%, Open World 12%, Survival 11.8%, Base Building 11.8%
- #11 Dark of the Depths
91% 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 39.2% ★, Underwater 28.2% ★, Immersive Sim 12.1%, Exploration 7.7%, Open World 5.9%
- #12 Harmonic Depths
89% matchPositive100% of 14 reviews2023
Dev: Override
Windows
Embark on a relaxing journey in an underwater realm. Glide through captivating environments, embracing the tranquility of exploration and survival found in these Harmonic Depths.
Why similar: Submarine 36.7% ★, Underwater 26.9% ★, Immersive Sim 10.9%, Survival 10.7%, Exploration 6.4%
- #13 Plasticalypse - Submarine Adventures
89% match9 user reviews56% of 9 reviews2021
Dev: FLUXO GAMES
Windows
A journey of the last ocean cleaner submarine that is tasked to restore the ecosystem of a dying earth. "Plasticalypse: TrashSub Adventures“
Why similar: Submarine 37% ★, Underwater 31.3% ★, Sci-fi 10.1%, Exploration 6.8%, Open World 5.9%
- #14 CRUSH DEPTH
87% matchVery Positive98% of 54 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 38.9% ★, Underwater 30.7% ★, Sci-fi 12.3%, Exploration 5.8%, Action-Adventure 4.6%
- #15 Project SEVER
88% matchNo user reviews2026
Dev: Siberian MakeshiftPub: IndieArk
Windows
Project Sever is a fusion of submarine simulator and horror. Master the controls of the Soviet Project "Sever" submarine and learn to keep it in working order to escape the deadly underwater trap and solve the mystery of the Anomalous Zone.
Why similar: Submarine 38.9% ★, Underwater 23.7% ★, Immersive Sim 9.6%, Sci-fi 8.8%, Exploration 5%
- #16 Under The Waves
86% matchMostly Positive78% of 1,801 reviews2023
Dev: Parallel StudioPub: Spotlight by Quantic Dream
Windows
Median: 2.5 hrsMean: 22.1 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 39.6% ★, Submarine 33.6% ★, Sci-fi 9.6%, Exploration 7.7%, Adventure 5.8%
- #17 Submarine Terror
86% matchPositive94% of 17 reviews2024
Dev: Sungame Studio
Windows
A sinister entity lurks in the depths. Descend into the abyss and extract knowledge about it.
Why similar: Submarine 52.2% ★, Underwater 28.7% ★, Open World 9.8%, Exploration 2.7%, Action-Adventure 2.5%
- #18 ENDER OCEAN - Your mission: "Clean the Ocean"
85% matchMostly Positive80% 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 37.5% ★, Submarine 34.7% ★, Immersive Sim 11.8%, Simulation 8.1%, Exploration 7.1%
- #19 Europa One
84% matchPositive100% of 14 reviews2023
Dev: Wicked Rooster
Windows
Explore the ice-encrusted ocean of Jupiter's moon Europa.
Why similar: Submarine 44% ★, Underwater 28.8% ★, Open World 9.7%, Exploration 6.3%, Sci-fi 5%
- #20 Hadal
83% 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 43.5% ★, Underwater 27.4% ★, Sci-fi 8.2%, Exploration 5.3%, Action-Adventure 4.9%
- #21 Submarine VR
84% matchMixed68% 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 55% ★, Underwater 21.8% ★, Open World 7.8%, Exploration 6.2%, Simulation 6.2%
- #22 HydroTick: Water Reminder & Aquarium Manager
81% matchPositive94% of 16 reviews2025
Dev: RetroArcPub: Rock Paper Publisher
Windows
Stay hydrated, relax, and build your dream aquarium! HydroTick reminds you to drink water at your chosen intervals, rewards you with coins, and lets you collect unique fish, rare decorations, and create a soothing aquatic world.
Why similar: Submarine 34% ★, Underwater 22% ★, Collectathon 15.5%, Base Building 10.5%, Crafting 10.5%
- #23 Under the Water Depths
82% match8 user reviews56% of 9 reviews2023
Dev: Submerged Squad
Windows
Under the Water Depths is a first-person game in which you will dive into a trench in the middle of an unknown ocean. The depths of the sea hide sinister yet mystical secrets.
Why similar: Underwater 40.1% ★, Submarine 35% ★, Immersive Sim 8.1%, Exploration 7.4%, Adventure 5.5%
- #24 Sea Scraps
82% matchNo user reviews
Dev: Scrapworks Games
Windows
After a catastrophic event flooded the Earth, the remnants of humanity are left adrift on an endless ocean. With nothing but scraps of the old world floating across the waves, survivors must scavenge, build, and fight to stay alive in this vast water-covered wasteland.
Why similar: Underwater 26.3% ★, Base Building 18.7%, Crafting 16.1%, Survival 13.2%, Open World 10.1%
- #25 Astrometica: Prologue
81% matchVery Positive90% of 1,281 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 1.1 hrsMean: 3.1 hrs≥1hr: 53%
Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
Why similar: Space Sim 27.8% ★, Base Building 15.7%, Open World 11.7%, Survival 11.7%, Crafting 11.6%
- #26 Cave Dive
80% 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 38.5% ★, Underwater 23.3% ★, Simulation 9.6%, Exploration 8.3%, Action-Adventure 7.8%
- #27 13km Deep
79% matchNo user reviews
Dev: RatLovers Studio
Windows
You are an employee of U.D.E. Your mission is to explore the ocean depths, investigate ancient artifacts, and... save your own skin. Survive, uncover the corporation's secrets, and find out what lies hidden in the depths.
Why similar: Submarine 41.2% ★, Underwater 28.8% ★, Immersive Sim 9.8%, Survival 8.4%, Exploration 5.9%
- #28 Thalassophobia
78% 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 59.7% ★, Underwater 34.3% ★, Simulation 5.3%, Singleplayer 0.6%
- #29 Funorbit
78% matchNo user reviews
Dev: Aeroenix
Windows · Mac
Funorbit is a space survival simulation with realistic physics, resource gathering, crafting, and building. Navigate a vast universe using orbital mechanics, encounter drifting meteoroids, and construct space stations to survive.
Why similar: Space Sim 25.6% ★, Interactive Fiction 12.9%, Crafting 12.8%, Immersive Sim 10.1%, Sci-fi 8.2%
- #30 Craterbound
79% matchMixed54% of 99 reviews2022
Dev: Daniel Marquez
Windows
Crash-land onto a unique and hostile alien world and begin your fight to survive. Face its inhabitants, upgrade your technology, create outposts & bases, and find a way to repair your ship. Explore the beautifully strange terrain, all while blasting and crafting your way off of the planet.
Why similar: Space Sim 19.3% ★, Base Building 13.5%, Crafting 12.5%, Open World 11.8%, Survival 11.5%
- #31 Starvector
77% matchNo user reviews
Dev: Justus BlairPub: Octopus Inc. Studios
Windows
Starvector is a massive story-driven procedural universe where you aren't the main character. Collect resources, craft technology, build custom spaceships and bases, and so much more in a universe that existed long before you arrived, complete with pre-existing factions, conflicts, and history.
Why similar: Space Sim 19.4% ★, Immersive Sim 12.8%, Crafting 12.4%, Survival 12%, Base Building 11.4%
- #32 The Kaiyo Mission
77% match2 user reviews100% of 2 reviews2025
Dev: eXplore Studio
Windows
Control a submarine or a diver into the depths of unknown underwater worlds and take photographs of alien animals, plants and artefacts. Continue your journey through this casual, side-scroller, exploration game and collect stars to unlock more secrets before travelling to an alien home planet.
Why similar: Submarine 45.4% ★, Underwater 23.9% ★, Sci-fi 13.2%, Exploration 6.7%, Survival 6%
- #33 Dolphin Spirit: Ocean Mission
76% matchPositive86% of 37 reviews2023
Dev: Magic PocketsPub: Microids
Windows
Explore the island of Maupiroa and discover its deep-sea secrets!
Why similar: Submarine 37.8% ★, Underwater 23.7% ★, Collectathon 14.7%, Immersive Sim 7.1%, Exploration 5.4%
- #34 Deep Crafter
75% matchNo user reviews
Dev: Deep Crafter StudioPub: Samar Studio
Windows
Build a self-sustaining industrial empire in the deep sea of an ocean-covered alien world. Explore procedurally generated waters, automate resource production, and turn alien life into renewable industrial output through advanced bio-cultivation systems.
Why similar: Underwater 31.8% ★, Open World 13.3%, Base Building 13.2%, Sci-fi 12.6%, Immersive Sim 9.2%
- #35 Sub-Species
74% 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 41.5% ★, Underwater 30.5% ★, Shoot 'Em Up 14.6%, Action-Adventure 6%, Adventure 3.9%
- #36 subROV : Underwater Discoveries
75% matchVery Positive91% of 66 reviews2022
Dev: sqr3lab
Windows
Pilot a remotely operated submarine and explore the oceans! Defy the darkness and crushing pressure of the deeps as you chart unknown regions and study new species of ocean life.
Why similar: Submarine 38.6% ★, Underwater 29.7% ★, Open World 10.3%, Immersive Sim 8.5%, Exploration 5.9%
- #37 Discoveries of the Deep
76% 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 48.4% ★, Underwater 38% ★, Exploration 7.2%, Simulation 6%, Singleplayer 0.4%
- #38 Full Fathom
73% matchNo user reviews
Dev: DÆMON House
Windows
Full Fathom is an oceanic survival horror game. Pilot a deteriorating submarine as it drifts through grim waters, keeping it maintained as it is your only lifeline in the hostile, merciless ocean.
Why similar: Submarine 40.6% ★, Underwater 26.5% ★, Open World 9.9%, Survival 8.6%, Exploration 5.4%
- #39 The Trench
74% matchVery Positive86% of 154 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 43.2% ★, Underwater 28.5% ★, Interactive Fiction 9.4%, Sci-fi 7.7%, Immersive Sim 6.1%
- #40 Triton Survival
72% matchMixed70% of 33 reviews2025
Dev: Family Devs
Windows
Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?
Why similar: Space Sim 25% ★, Crafting 15.1%, Base Building 14.5%, Survival 11.2%, Open World 9.7%
- #41 Project North
73% matchNo user reviews
Dev: Jonas OppligerPub: Voronoi Studios
Windows
A first-person submarine exploration game, where the you write and sketch your story as you navigates the frozen depths, manages the submarine's systems and come ever closer to uncovering the never-seen secrets beneath the ice.
Why similar: Submarine 38.3% ★, Underwater 25.8% ★, Open World 9.6%, Immersive Sim 7.9%, Exploration 4.9%
- #42 Survival: Fountain of Youth
71% matchVery Positive86% of 4,270 reviews2024
Dev: Odinsoft Inc.Pub: Twin Sails Interactive
Windows
Median: 3.1 hrsMean: 18.7 hrs≥1hr: 75%
Survival: Fountain of Youth is a challenging single-player open-world adventure game set on the Caribbean islands. Survive as a shipwrecked 16th-century explorer, craft tools and shelter, and uncover the secrets of both an ancient civilization and your own fate.
Why similar: Underwater 20.8% ★, Base Building 15.1%, Crafting 13.5%, Survival 12.3%, Open World 9.4%
- #43 Under A New Sun
73% matchMostly Positive76% of 368 reviews2023
Dev: New Horizon Games
Windows
While searching for a new home, an unexpected failure in your ship has left you stranded on a planet surprisingly similar to Earth. Discover a vast open world, hunt for food, develop technologies, and build yourself a new home to survive!
Why similar: Underwater 22.5% ★, Crafting 14.9%, Survival 13.6%, Open World 13.5%, Base Building 13.4%
- #44 Subnautica
72% matchOverwhelmingly Positive97% of 344,093 reviews2018
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 13.4 hrsMean: 40.0 hrs≥1hr: 90%
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.
Why similar: Underwater 30.1% ★, Survival 13.8%, Base Building 12.3%, Crafting 12%, Open World 11.9%
- #45 Interstellar Nomad
71% matchMostly Negative30% of 20 reviews2025
Dev: Metadarkverse
Windows
First person single player 3D Sci-Fi adventure in space
Why similar: Space Sim 32.6% ★, Interactive Fiction 17%, Immersive Sim 15.1%, Open World 10%, Exploration 9.7%
- #46 Wayward Beyond
71% matchNo user reviews
Dev: bitfish
Windows
A retro-future sandbox RPG set in a frontier era galaxy with procedurally-generated elements. Create, explore, trade, and battle to stake your claim among the stars of a wild galaxy!
Why similar: Space Sim 22.7% ★, Base Building 13.6%, Crafting 12.9%, Immersive Sim 10.8%, Survival 10.7%
- #47 Flash Diving
70% matchNo user reviews
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 47.1% ★, Underwater 33.8% ★, Sci-fi 9.5%, Immersive Sim 3.6%, Adventure 3.1%
- #48 Yuri's Resolve
70% matchNo user reviews2026
Dev: Apothecary Games
Windows
Yuri’s Resolve is a single-player factory-building game set in Mars' orbit. Salvage wreckage, mine Phobos, construct manufacturing systems, and forge a path back home. Operate from the immersive cockpit of your ship as Yuri’s Resolve delivers a bold, innovative take on the factory building genre.
Why similar: Space Sim 19.5% ★, Base Building 17%, Crafting 15.9%, Sci-fi 12.5%, Interactive Fiction 10.2%
- #49 Ocean Pressure
70% 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 46% ★, Underwater 30.1% ★, Open World 9.2%, Exploration 6.7%, First-Person 4.7%
- #50 Suborbital
69% matchPositive90% of 10 reviews2024
Dev: Pat Traynor
Windows
A sci-fi survival game with a twist. Set in a sub-orbit of a black hole, collect materials and scavenge wrecks in order to repair your damaged ship. However, time is not on your side.
Why similar: Space Sim 34.6% ★, Survival 15.6%, Crafting 11.9%, Open World 11.1%, Sci-fi 11.1%
- #51 Lunara: Planet IX
69% matchMostly Positive79% of 24 reviews2024
Dev: Luamar Games
Windows
Build and explore in Planet IX, a vibrant 2D pixel art simulation game where you create a colony on a mysterious planet, face monsters, and uncover secrets while managing resources and oxygen.
Why similar: Collectathon 21.2%, Crafting 15.1%, Survival 12.6%, Sci-fi 10.8%, Base Building 10.8%
- #52 COLD DEPTH
69% matchPositive92% of 26 reviews2023
Dev: B.A.G
Windows
COLD DEPTH is a first-person exploration survival horror game set on the "Oasis" underwater complex. Whether you survive or not depends on finding, recycling and 3D printing items and supplying energy to the right parts of the stations.
Why similar: Submarine 39.6% ★, Immersive Sim 12%, Survival 10.7%, Sci-fi 8.8%, Crafting 8.4%
- #53 Steampunk Gravity
68% matchNo user reviews
Dev: Geogalion Studio
Windows
Steampunk Gravity is an action-simulation game where you pilot a ship, in the air and in the sea, with the objective of recovering very heavy explosive charges through confined spaces underground.
Why similar: Submarine 33.7% ★, Underwater 23.2% ★, Space Sim 16.8% ★, Survival 9.2%, Exploration 5.9%
- #54 Celestium
68% matchNo user reviews
Dev: alex197
Windows · Linux
An open world survival game set in space.
Why similar: Space Sim 25.1% ★, Base Building 13.7%, Crafting 12.6%, Open World 12.5%, Survival 12.3%
- #55 Main Sequence
68% matchNo user reviews
Dev: Tumbling Dumpling Studio
Windows
Main Sequence is a space-sim factory builder where your goal is to build an interstellar industrial empire. Collect resources, automate production, and expand your fleet of ships in order to survive and leave your mark on the galaxy.
Why similar: Space Sim 30.6% ★, Base Building 16.8%, Crafting 11.5%, Open World 7.7%, Survival 6.9%
- #56 Mikseli: Genesis
67% matchNo user reviews
Dev: Mikseli Oy
Windows
A sci-fi FPS where a pirate ambush scatters your family across alien planets. Play as Arin, fight bosses, travel through portals, and reunite the Mikseli family. Demo available now. Wishlist for launch updates.
Why similar: Space Sim 20.2% ★, Sci-fi 20%, Survival 15.1%, Crafting 10%, Open World 7.4%
- #57 Antidotera
67% matchNo user reviews
Dev: Forest Initiative
Windows
Dive into the role of a researcher on a dangerous, resource-rich island. Gather rare ingredients, craft life-saving potions, and survive the wild. Uncover secrets and send cures back to the government to combat a deadly epidemic haunting the population.
Why similar: Medical Sim 37.2% ★, Crafting 14.6%, Survival 11%, Immersive Sim 10.4%, Open World 8.2%
- #58 Subnautica: Below Zero
66% matchVery Positive90% of 102,346 reviews2021
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 15.9 hrsMean: 30.0 hrs≥1hr: 91%
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
Why similar: Underwater 31.4% ★, Survival 13.5%, Base Building 13%, Open World 11.9%, Crafting 9.8%
- #59 Iron Lung
66% matchVery Positive92% of 10,453 reviews2022
Dev: David Szymanski
Windows
Median: 1.5 hrsMean: 2.0 hrs≥1hr: 68%
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.
Why similar: Submarine 49% ★, Underwater 31.7% ★, Sci-fi 8.7%, First-Person 4.4%, Exploration 3.6%
- #60 Rusted Sea
65% match1 user reviews0% of 1 reviews2026
Dev: Meerkatapult Games
Windows
The surface is dead. The war is lost. As a Rusted Retaliator, you must survive the post-apocalyptic ocean of 1963. Pilot submersibles, feed scrap to the Replicator, and mine Nukelium to earn Pressure Points from HQ. Buy better gear, fight the SeaBots, and reclaim the deep.
Why similar: Submarine 39.1% ★, Underwater 31.1% ★, Sci-fi 10.7%, Exploration 6.1%, Action-Adventure 5.8%