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 October 31st 2025. Want to explore even more underwater titles available on Steam? Explore the complete list of the best underwater games.
Lists & Categories
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 game developed and published by . 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 2,678 peak concurrent players over the last day.
9.6
304,449
9,258
2,678
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 game developed and published by . 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 712 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
712
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 game developed and published by . 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 383 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
383
players
4. Voyagers of Nera
Voyagers of Nera is a cooperative survival-crafting game where you must survive a magical ocean world brimming with lost spirits and deadly monsters. Sail to distant islands, build beautiful villages and surf across the waves with up to 10 players. Voyagers of Nera is a game developed and published by . Released on September 16th 2025 has received 1,197 reviews of which 1,017 were positive and 180 were negative resulting in a rating of 8.1 out of 10. With 159 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played underwater games.
8.1
1,017
180
159
players
5. Feed and Grow: Fish
Hunt and eat other fish - simply, grow into larger beasts! Feed and Grow: Fish is a game developed and published by . 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 157 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played underwater games.
7.6
14,733
4,239
157
players
6. 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 game developed and published by . 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 #6 spot among the most played underwater games.
8.6
4,022
497
60
players
7. 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 game developed and published by . 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 #7 spot among the most played underwater games.
9.3
5,732
191
50
players
8. Iron Lung
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon. Iron Lung is a game developed and published by . Released on March 09th 2022 has received 8,170 reviews of which 7,529 were positive and 641 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #8 spot among the most played underwater games.
8.9
7,529
641
17
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 game developed and published by . 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
17
players
10. 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 game developed and published by . 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 #10 spot among the most played underwater games.
9.4
4,314
85
14
players
More Underwater & Related Games
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