Best Underwater Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated underwater games. For those who prefer not to search, lists of the most played, top deals underwater games are available at the bottom of the page.
Filters & Lists
Ultimate Fishing® Simulator 2
Fish around the globe using float, bottom, spinning, or casting gear, and catch over 60 realistic fish species. Play solo or online in normal, realistic, or sandbox mode! Explore stunning locations, switch to an underwater cam, and fill your trophy room!
Ocean Keeper: Dome Survival
Explore dungeons, fight hordes of monsters and survive on a huge map. This is Ocean Keeper - an action roguelike with tower defense elements. Mine resources in caves, customize your Mech Spider, upgrade different weapons and face dangerous bosses that won't leave you a chance!
Dreamcore
Step into the surreal with Dreamcore, a body-cam styled psychological horror game that plunges you into the eerie beauty of "liminal spaces." Unravel the mysteries of Dreamcore’s non-linear worlds and uncover its hidden secrets. Can you discover what lies beyond the edge of reality?
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!
Murky Divers
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
Fantasy Aquarium
Fantasy Aquarium offers an effortless way to enhance your gaming experience. You can nurture a diverse range of small fish with unique characteristics and construct a vibrant fantasy world from scratch, transforming mundane fish-keeping into an engaging pursuit.
PROXIMATE
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.
Surviving the Abyss
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
Liminalcore
Explore and admire while navigate through eerie, surreal environments inspired by the Backrooms lore. Explore this uncanny world lost in time and get lost in the otherworldly architecture in a world where reality bends and your sanity is tested.
Project Castaway
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
Subside
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
Feed the Deep
A lovecraftian roguelike. Dive into procedurally generated undersea caves. Collect gold, upgrade your equipment, and Feed the Deep.
Survival: Fountain of Youth
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.
Another Crab's Treasure
In a vibrant undersea kingdom on the verge of collapse, a hermit crab embarks on a treasure hunt to buy back his repossessed shell. The second game from AGGRO CRAB.
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!
Fish Game
Fish Game is a detailed and highly “sofishticated” freshwater aquarium simulator, lovingly crafted *by* enthusiasts *for* enthusiasts! Featuring fish with personalities and dynamic relationships, water quality modeling, and so much more! Made with support from our friends at Smarter Every Day!
IronWolf: Free Non-VR Edition
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.
Chillquarium
Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!
Under The Waves
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...
Sunkenland
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?
Most played underwater games on Steam
Take a look at the top underwater games that are currently attracting the largest player bases on the Steam platform, as of June 14th 2025.
1. Subnautica
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. Subnautica is a open world survival craft, survival and horror game developed by Unknown Worlds Entertainment and published by Unknown Worlds Entertainment, KRAFTON and Inc.. Released on January 23rd 2018 has received 313,707 reviews of which 304,449 were positive and 9,258 were negative resulting in an impressive rating of 9.6 out of 10. The game has hit the top spot as the #1 most played underwater game, thanks to its 3,458 peak concurrent players over the last day.
9.6
304,449
9,258
3,458
players
2. Subnautica: Below Zero
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. Subnautica: Below Zero is a open world survival craft, survival and underwater game developed by Unknown Worlds Entertainment and published by Unknown Worlds Entertainment, KRAFTON and Inc.. Released on May 13th 2021 has received 96,660 reviews of which 87,607 were positive and 9,053 were negative resulting in a rating of 8.9 out of 10. While seeing 927 players online at once in the last 24 hours, this game is currently ranked #2 among underwater games based on player count.
8.9
87,607
9,053
927
players
3. Sunkenland
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse? Sunkenland is a early access, open world survival craft and survival game developed and published by Vector3 Studio. Released on August 25th 2023 has received 21,419 reviews of which 17,523 were positive and 3,896 were negative resulting in a rating of 8.0 out of 10. While seeing 547 players online at once in the last 24 hours, this game is currently ranked #3 among underwater games based on player count.
8.0
17,523
3,896
547
players
4. Feed and Grow: Fish
Hunt and eat other fish - simply, grow into larger beasts! Feed and Grow: Fish is a simulation, underwater and survival game developed by Old B1ood and published by Greens s.r.o.. Released on January 08th 2016 has received 18,972 reviews of which 14,733 were positive and 4,239 were negative resulting in a rating of 7.6 out of 10. With 188 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played underwater games.
7.6
14,733
4,239
188
players
5. Murky Divers
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses. Murky Divers is a multiplayer, horror and funny game developed by Embers and published by Embers and Oro Interactive. Released on December 12th 2024 has received 4,519 reviews of which 4,022 were positive and 497 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #5 spot among the most played underwater games.
8.6
4,022
497
52
players
6. Insaniquarium Deluxe
The craziest aquarium game ever! Tend to your fish, keep them happy and they'll reward you with coins and jewels. Buy tank upgrades or egg parts which hatch different in-tank pets. These pets can help you feed your fish, collect coins, or even protect against the aliens that will invade your tank. Insaniquarium Deluxe is a casual, classic and underwater game developed by PopCap Games and Inc. and published by PopCap Games, Inc. and Electronic Arts. Released on August 30th 2006 has received 5,923 reviews of which 5,732 were positive and 191 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #6 spot among the most played underwater games.
9.3
5,732
191
47
players
7. 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! 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 4,399 reviews of which 4,314 were positive and 85 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #7 spot among the most played underwater games.
9.4
4,314
85
31
players
8. ABZU
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. ABZU is a relaxing, atmospheric and underwater game developed by Giant Squid and published by 505 Games. Released on August 02nd 2016 has received 26,113 reviews of which 24,253 were positive and 1,860 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #8 spot among the most played underwater games.
9.1
24,253
1,860
28
players
9. Depth
Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat. Depth is a shooter, multiplayer and underwater game developed and published by Digital Confectioners. Released on November 03rd 2014 has received 32,665 reviews of which 28,701 were positive and 3,964 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #9 spot among the most played underwater games.
8.6
28,701
3,964
20
players
10. Surviving the Abyss
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors. Surviving the Abyss is a city builder, colony sim and exploration game developed by Rocket Flair Studios and published by Paradox Arc. Released on November 05th 2024 has received 975 reviews of which 634 were positive and 341 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #10 spot among the most played underwater games.
6.3
634
341
11
players
Best deals on underwater games on Steam
Discover fantastic savings with the best discounts on a variety of underwater games available on Steam right now, updated on June 14th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted underwater games.
1. Stirring Abyss
Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror. Stirring Abyss is a lovecraftian, underwater and rpg game developed by Sleepy Sentry and K-Project and published by Slitherine Ltd.. Released on October 29th 2020 has received 413 reviews of which 366 were positive and 47 were negative resulting in a rating of 8.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for underwater category.
8.2
366
47
-99%
24.50€
0.42€
2. Depth Hunter 2: Deep Dive
Depth Hunter 2 is an underwater hunting game, allowing the complete experience of the spearfishing extreme sport! Depth Hunter 2: Deep Dive is a simulation, underwater and hunting game developed and published by Biart Company LLC. Released on August 20th 2014 has received 987 reviews of which 730 were positive and 257 were negative resulting in a rating of 7.1 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in underwater games.
7.1
730
257
-98%
14.79€
0.44€
3. 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! 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 4,399 reviews of which 4,314 were positive and 85 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its incredible 97% discount, this game is now the #3 best deal in underwater games.
9.4
4,314
85
-97%
19.99€
0.75€
4. Beyond Blue
Beyond Blue is a single-player narrative adventure that takes you deep into our planet’s beating blue heart. Explore the awesome wonder and unbounded mystery that exists within the world’s ocean. Beyond Blue is a underwater, adventure and exploration game developed and published by E-Line Media. Released on June 11th 2020 has received 1,371 reviews of which 1,212 were positive and 159 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for underwater games.
8.4
1,212
159
-95%
16.79€
0.92€
5. Narcosis
Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out. Narcosis is a horror, adventure and underwater game developed and published by Honor Code and Inc.. Released on March 28th 2017 has received 1,358 reviews of which 1,040 were positive and 318 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 95% discount, this title has earned the #5 position in the best deals for underwater games.
7.4
1,040
318
-95%
12.49€
0.74€
6. Ace of Seafood
In the seas of the distant future, humans have all but disappeared. In your current, newly-awakened state, you are no more than a piece of seafood. However, you have been blessed with the talent for leading your allies into battle. Do whatever it takes to become the Ace of Seafood. Ace of Seafood is a underwater, memes and spectacle fighter game developed by Calappa Games and published by PLAYISM. Released on April 08th 2016 has received 605 reviews of which 544 were positive and 61 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for underwater games.
8.4
544
61
-93%
11.99€
0.90€
7. AquaNox
The water is no longer calm. The undersea world has undergone a transformation from tranquil environment to a place of unspeakable violence, graphic murder and horrific danger. AquaNox is a action, underwater and singleplayer game developed by Massive Development and published by THQ Nordic. Released on April 20th 2010 has received 372 reviews of which 264 were positive and 108 were negative resulting in a rating of 6.7 out of 10. Currently offered at a significant 91% discount, this title has earned the #7 position in the best deals for underwater games.
6.7
264
108
-91%
4.99€
0.46€
8. Diluvion: Resubmerged
Diluvion is a 3D deep sea, Jules Verne inspired, exploration game with RPG elements and thrilling submarine combat. As the Captain of your own vessel, you must grow and manage your crew as you search for the secrets of the past in a hauntingly beautiful flooded world. Diluvion: Resubmerged is a action, underwater and adventure game developed by Arachnid Games and published by Good Shepherd Entertainment. Released on February 02nd 2017 has received 1,105 reviews of which 684 were positive and 421 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 91% discount, this title has earned the #8 position in the best deals for underwater games.
6.1
684
421
-91%
19.99€
1.88€
9. Aquarium Designer
Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit! Aquarium Designer is a underwater, relaxing and family friendly game developed by Sigur Studio and published by Games Operators and PlayWay S.A.. Released on October 21st 2021 has received 1,055 reviews of which 913 were positive and 142 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for underwater games.
8.2
913
142
-90%
8.19€
0.86€
10. Murky Divers
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses. Murky Divers is a multiplayer, horror and funny game developed by Embers and published by Embers and Oro Interactive. Released on December 12th 2024 has received 4,519 reviews of which 4,022 were positive and 497 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 89% discount, this title has earned the #10 position in the best deals for underwater games.
8.6
4,022
497
-89%
8.99€
1.07€