Games like Subnautica on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Subnautica are available at the bottom of the page.
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Generation Zero®
Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op.
Wurm Unlimited
Wurm Unlimited is the standalone version of the fantasy sandbox world Wurm Online, the MMORPG where the players are in charge! A pioneer in the ideas of player influence, crafting and adventure, it is now one of the most deep and feature packed true sandbox experiences available.
Loddlenaut
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!
BEACHED
A free-to-play, low-poly, open-world survival shooter where you’ll battle other players, explore massive monuments, and fight to stay alive. Build and fortify your base to defend against enemy raids, gather resources, and conquer a harsh, competitive world. Survival means doing whatever it takes.
Abiotic Factor
Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.
FortressCraft Evolved!
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
CastleMiner Z
CastleMiner Z is an infinite world filled with deep places to explore, and horrifying monsters to slay. Build structures out of blocks, craft weapons and tools from raw materials, and explore the vast and frightening world around you.
Arid
Discover the mysteries of the Atacama, explore the abandoned mining networks, evade the scorching sun and survive the environment in one of the most arid place in the world. Arid is a FREE survival game made by students from Breda University.
Len's Island
Discover, survive, and thrive in Len’s Island, where intense dungeon crawling meets open-world action RPG. Master skill-based combat, craft powerful items, build and defend your homestead, and find solace in farming. Your journey, your destiny.
Star Shelter
Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.
I Am Future: Cozy Apocalypse Survival
I Am Future is a relaxing single-player survival game about building a cozy rooftop camp amid a flooded post-apocalyptic city. Set up a farm, go fishing, tinker with gadgets, craft new tools, manage a team of cute robots to automate and expand your base, explore the mysterious world, and chill out!
Nova Lands
Nova Lands is a factory building, exploration, and island management game. Explore, engage in combat, and automate your industry. The planet you’re on is full of mysteries, creatures, people, and things to do. Welcome to your new home amongst the stars!
Crashlands 2
Slap your way across a vibrant world where interstellar friendships are the key to your survival. Befriend eccentric aliens, craft bizarre weaponry, and stick it to the man in this sequel to the award-winning open world crafting RPG Crashlands.
Hand Simulator: Horror
Fear clouds the mind. Fear paralyzes the body. If your hands are shaking with fear, you will remain in this hell forever.
Die Young
Kidnapped for no clear reason to a dazzling yet mysterious island on the Mediterranean Sea, a young girl has to find a way to escape. Armed with only her wits, agility, and the will to stay alive, she must make her getaway or Die Young.
Subterrain
Uncompromising Sci-Fi survival on Mars! Manage the entire colony single-handed! Craft, Research, Explore and Fight against evolving mutants. Vast open world and randomly generated levels to explore! Can you survive long enough to escape the horror?
We Happy Few
From the independent studio that brought you Contrast, We Happy Few is an action/adventure game set in a drug-fuelled, retrofuturistic city in an alternative 1960s England. Hide, fight and conform your way out of this delusional, Joy-obsessed world.
Start Over
Embark on an unpredictable survival journey in Start Over. Solo, co-op, online, explore diverse landscapes, craft through 4 tech tiers, encounter wildlife, and trade or raid for resources. Choose your path, defend against waves, and shape your destiny in a dynamic world. Are you ready to Start Over?
AutoForge
A 2D automation sandbox adventure. Build an automated factory with Mana-powered machines, progress through an expansive tech tree, explore a vast and wonderful world, upgrade yourself with ancient technologies, and defend it all from invasions.
KeepUp Survival
Welcome to a world of survival on a deserted island, characterized by an incredible wildlife and abandoned structures. Immerse yourself in a game set in a natural and post-apocalyptic environment where your primary task is to survive in KeepUp Survival.
Occupy Mars: The Game
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.Most played games like Subnautica on Steam
Take a look at the top games like Subnautica that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Rust
Similarity 52% The only aim in Rust is to survive. Everything wants you to die - the island’s wildlife, other inhabitants, the environment, and other survivors. Do whatever it takes to last another night. Rust is a survival, crafting and multiplayer game developed and published by Facepunch Studios. Released on February 08th 2018 has received 1,215,155 reviews of which 1,060,406 were positive and 154,749 were negative resulting in a rating of 8.7 out of 10. The game has hit the top spot as the #1 most played game like Subnautica, thanks to its 59,015 peak concurrent players over the last day.
8.7
1,060,406
154,749
59,015
players
2. V Rising
Similarity 56% Awaken as a Vampire. Hunt for blood in nearby settlements to regain your strength and evade the scorching sun to survive. Raise your castle and thrive in an ever-changing, open world full of mystery. Gain allies online and conquer the land of the living. V Rising is a survival, open world and base-building game developed and published by Stunlock Studios. Released on May 08th 2024 has received 111,419 reviews of which 99,066 were positive and 12,353 were negative resulting in a rating of 8.8 out of 10. While seeing 39,400 players online at once in the last 24 hours, this game is currently ranked #2 among games like Subnautica based on player count.
8.8
99,066
12,353
39,400
players
3. Terraria
Similarity 63% Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available! Terraria is a open world survival craft, sandbox and survival game developed and published by Re-Logic. Released on May 16th 2011 has received 1,399,576 reviews of which 1,364,418 were positive and 35,158 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 25,486 players online at once in the last 24 hours, this game is currently ranked #3 among games like Subnautica based on player count.
9.7
1,364,418
35,158
25,486
players
4. Once Human
Similarity 51% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and survival game developed and published by Starry Studio. Released on July 09th 2024 has received 126,678 reviews of which 93,632 were positive and 33,046 were negative resulting in a rating of 7.3 out of 10. With 23,033 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Subnautica.
7.3
93,632
33,046
23,033
players
5. 7 Days to Die
Similarity 57% 7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits! 7 Days to Die is a survival, zombies and multiplayer game developed by The Fun Pimps and published by The Fun Pimps Entertainment LLC. Released on July 25th 2024 has received 367,522 reviews of which 325,645 were positive and 41,877 were negative resulting in a rating of 8.8 out of 10. With 18,083 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Subnautica.
8.8
325,645
41,877
18,083
players
6. Valheim
Similarity 66% A brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage! Valheim is a open world survival craft, survival and online co-op game developed by Iron Gate AB and published by Coffee Stain Publishing. Released on February 02nd 2021 has received 496,650 reviews of which 468,624 were positive and 28,026 were negative resulting in an impressive rating of 9.4 out of 10. With 17,441 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Subnautica.
9.4
468,624
28,026
17,441
players
7. Project Zomboid
Similarity 54% Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite.. Project Zomboid is a survival, zombies and open world game developed and published by The Indie Stone. Released on November 08th 2013 has received 369,979 reviews of which 348,457 were positive and 21,522 were negative resulting in an impressive rating of 9.3 out of 10. With 16,414 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Subnautica.
9.3
348,457
21,522
16,414
players
8. ARK: Survival Evolved
Similarity 68% Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape! ARK: Survival Evolved is a open world survival craft, survival and multiplayer game developed by Studio Wildcard, Instinct Games, Efecto Studios and Virtual Basement LLC and published by Studio Wildcard and Snail Games USA. Released on August 27th 2017 has received 726,404 reviews of which 608,653 were positive and 117,751 were negative resulting in a rating of 8.3 out of 10. With 15,372 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Subnautica.
8.3
608,653
117,751
15,372
players
9. Satisfactory
Similarity 74% Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven! Satisfactory is a base-building, automation and open world game developed by Coffee Stain Studios and published by Coffee Stain Publishing. Released on September 10th 2024 has received 229,040 reviews of which 222,475 were positive and 6,565 were negative resulting in an impressive rating of 9.6 out of 10. With 12,693 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Subnautica.
9.6
222,475
6,565
12,693
players
10. Fallout 4
Similarity 51% Bethesda Game Studios, the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, welcome you to the world of Fallout 4 – their most ambitious game ever, and the next generation of open-world gaming. Fallout 4 is a open world, post-apocalyptic and singleplayer game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on November 09th 2015 has received 390,364 reviews of which 324,290 were positive and 66,074 were negative resulting in a rating of 8.2 out of 10. With 11,693 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Subnautica.
8.2
324,290
66,074
11,693
players
Best deals on games like Subnautica on Steam
Discover fantastic savings with the best discounts on a variety of games like Subnautica available on Steam right now, updated on April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Subnautica.
1. Loddlenaut
Similarity 62% 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! Loddlenaut is a underwater, relaxing and open world game developed by Moon Lagoon and published by Secret Mode. Released on November 16th 2023 has received 4,101 reviews of which 4,024 were positive and 77 were negative resulting in an impressive rating of 9.4 out of 10. Featuring a massive 94% discount, this game currently holds the #1 spot in the best deals for games like Subnautica.
9.4
4,024
77
-94%
18.83€
1.13€
2. Starsand
Similarity 70% Starsand is a mystic survival game set among the dunes of an arcane desert. An open-world full of danger, vast environments and mysterious happenings await you! Explore, hunt, craft, build – and SURVIVE. Starsand is a open world survival craft, survival and open world game developed by Tunnel Vision Studio and published by Toplitz Productions. Released on November 17th 2022 has received 1,139 reviews of which 763 were positive and 376 were negative resulting in a rating of 6.5 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like Subnautica.
6.5
763
376
-94%
16.67€
1.00€
3. Metro 2033 Redux
Similarity 51% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 103,741 reviews of which 94,593 were positive and 9,148 were negative resulting in a rating of 9.0 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like Subnautica.
9.0
94,593
9,148
-92%
18.75€
1.50€
4. Conan Exiles
Similarity 60% An online multiplayer survival game, now with sorcery, set in the lands of Conan the Barbarian. Survive in a vast open world sandbox, build your home into a kingdom, and dominate your enemies in single or multiplayer. Conan Exiles is a survival and open world game developed and published by Funcom. Released on May 08th 2018 has received 106,724 reviews of which 83,957 were positive and 22,767 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like Subnautica.
7.8
83,957
22,767
-91%
41.89€
3.77€
5. The Long Dark
Similarity 66% THE LONG DARK is a thoughtful, exploration-survival experience that challenges solo players to think for themselves as they explore an expansive frozen wilderness in the aftermath of a geomagnetic disaster. There are no zombies -- only you, the cold, and all the threats Mother Nature can muster. The Long Dark is a survival, open world survival craft and open world game developed and published by Hinterland Studio Inc.. Released on August 01st 2017 has received 110,202 reviews of which 99,943 were positive and 10,259 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #5 position in the best deals for games like Subnautica.
9.0
99,943
10,259
-90%
29.99€
2.99€
6. Feel The Snow
Similarity 56% Choose one of the characters and start your journey. The game has many interesting things in store: building, crafting, puzzles, bosses, mystery, laughs, quests etc. Feel The Snow is a open world survival craft, multiplayer and survival game developed and published by Owlet. Released on December 12th 2019 has received 2,890 reviews of which 2,536 were positive and 354 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like Subnautica.
8.4
2,536
354
-90%
12.79€
1.27€
7. The Beast Inside
Similarity 59% The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment. The Beast Inside is a horror, adventure and first-person game developed and published by Illusion Ray. Released on October 17th 2019 has received 11,270 reviews of which 9,349 were positive and 1,921 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like Subnautica.
8.1
9,349
1,921
-90%
24.50€
2.45€
8. Dead Island: Riptide Definitive Edition
Similarity 64% Welcome to the zombie apocalypse experience of a lifetime – more beautiful than ever. Caught in an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive! Dead Island: Riptide Definitive Edition is a zombies, co-op and multiplayer game developed by Techland and published by Deep Silver. Released on May 31st 2016 has received 11,530 reviews of which 8,230 were positive and 3,300 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like Subnautica.
7.0
8,230
3,300
-90%
20.60€
2.06€
9. DESOLATE
Similarity 57% DESOLATE is a first person horror survival experience. Form a research team with up to 4 players and explore an open world filled with mysteries and unsolved questions, or do it all on your own. DESOLATE is a survival, open world and horror game developed by Nearga and published by HypeTrain Digital. Released on January 17th 2019 has received 7,862 reviews of which 5,251 were positive and 2,611 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like Subnautica.
6.6
5,251
2,611
-90%
15.10€
1.51€
10. Metro: Last Light Redux
Similarity 55% It is the year 2034. Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above. Metro: Last Light Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 69,394 reviews of which 62,870 were positive and 6,524 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 89% discount, this title has earned the #10 position in the best deals for games like Subnautica.
8.9
62,870
6,524
-89%
20.55€
2.26€
Free games like Subnautica on Steam
Check out this fantastic list of free-to-play games like Subnautica you can enjoy on Steam right now, updated on April 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Subnautica.
1. Once Human
Similarity 51% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and survival game developed and published by Starry Studio. Released on July 09th 2024 has received 126,678 reviews of which 93,632 were positive and 33,046 were negative resulting in a rating of 7.3 out of 10. With 23,033 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Subnautica.
7.3
93,632
33,046
23,033
players
2. Unturned
Similarity 51% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 554,408 reviews of which 505,746 were positive and 48,662 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its free to play tag and a daily player base of 8,988, this game has secured the #2 spot in the ranking of free games like Subnautica.
9.1
505,746
48,662
8,988
players
3. Will To Live Online
Similarity 53% Will To Live is a MMORPG-shooter whose action takes place in a severe post-apocalyptic world. Explore the world, engage in fights with mutants and other survivors, join the clans in the struggle for existence and prove your right to Live. Will To Live Online is a survival, free to play and multiplayer game developed and published by AlphaSoft LLC. Released on April 05th 2018 has received 17,505 reviews of which 12,228 were positive and 5,277 were negative resulting in a rating of 6.9 out of 10. Thanks to its free to play tag and a daily player base of 307, this game has secured the #3 spot in the ranking of free games like Subnautica.
6.9
12,228
5,277
307
players
4. Ylands
Similarity 57% Adventure awaits you and your friends in the world of Ylands! Gather resources, craft tools, construct anything and everything, and explore the lands! Build a ship and set sail, encountering mythical animals, a wide variety of sea-life, enemies of all kinds and much more! Ylands is a multiplayer, adventure and free to play game developed and published by Bohemia Interactive. Released on December 05th 2019 has received 7,997 reviews of which 5,044 were positive and 2,953 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #4 spot among the most played free games like Subnautica.
6.2
5,044
2,953
71
players
5. Walking Zombie 2
Similarity 51% Zombie singleplayer shooter in modern polygon graphics with rich RPG elements. Walking Zombie 2 is a fps, zombies and open world survival craft game developed and published by Alda Games. Released on October 11th 2019 has received 12,406 reviews of which 10,893 were positive and 1,513 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #5 spot among the most played free games like Subnautica.
8.6
10,893
1,513
69
players
6. SCP: Labrat
Similarity 53% You are a test subject in the underground SCP research facility. When a containment breach occurs, you must find your way out. Escape the SCPs, discover anomalous objects, and collect valuable resources along the way. SCP: Labrat is a horror, multiplayer and vr game developed and published by Bezbro Games. Released on December 24th 2022 has received 3,951 reviews of which 3,256 were positive and 695 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #6 spot among the most played free games like Subnautica.
8.0
3,256
695
14
players
7. Arid
Similarity 62% Discover the mysteries of the Atacama, explore the abandoned mining networks, evade the scorching sun and survive the environment in one of the most arid place in the world. Arid is a FREE survival game made by students from Breda University. Arid is a open world survival craft, survival and exploration game developed by Sad Viscacha Studio and published by Breda University of Applied Sciences. Released on June 29th 2021 has received 1,857 reviews of which 1,612 were positive and 245 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #7 spot among the most played free games like Subnautica.
8.3
1,612
245
9
players
8. Cubic Castles
Similarity 53% Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of block-building and 3D platform action! Create fantastic parkour challenges, explore worlds made by other players, or even make friend! Cubic Castles is a free to play, open world survival craft and building game developed and published by Cosmic Cow LLC. Released on August 13th 2014 has received 4,279 reviews of which 3,172 were positive and 1,107 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #8 spot among the most played free games like Subnautica.
7.2
3,172
1,107
9
players
9. Planet Explorers
Similarity 64% Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere. Planet Explorers is a open world survival craft, sandbox and open world game developed and published by Pathea Games. Released on November 08th 2016 has received 6,813 reviews of which 4,228 were positive and 2,585 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #9 spot among the most played free games like Subnautica.
6.1
4,228
2,585
7
players
10. BABBDI
Similarity 50% Find your way out of BABBDI. A short, first person exploration experience. BABBDI is a exploration, atmospheric and walking simulator game developed by Sirius Lemaitre and Leonard Lemaitre and published by Lemaitre Bros. Released on December 22nd 2022 has received 6,265 reviews of which 6,126 were positive and 139 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #10 spot among the most played free games like Subnautica.
9.4
6,126
139
6
players