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 July 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 3,124 peak concurrent players over the last day.
9.6
304,449
9,258

3,124
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 761 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

761
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 423 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

423
players

4. 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 194 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

194
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 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. With 112 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played underwater games.
8.6
4,022
497

112
players

6. 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 #6 spot among the most played underwater games.
8.6
28,701
3,964

69
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

57
players

8. 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 game developed and published by . 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. The game currently holds the #8 spot among the most played underwater games.
8.2
913
142

30
players

9. 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 #9 spot among the most played underwater games.
9.4
4,314
85

22
players

10. Feeding Frenzy 2 Deluxe

The feeding frenzy begins again! Swim and swerve through underwater worlds, chow down on smaller fish, and chomp your way to ocean supremacy. But watch out: boatloads of pesky predators are looking to make lunch out of you. Feeding Frenzy 2 Deluxe is a game developed and published by . Released on August 30th 2006 has received 2,354 reviews of which 2,290 were positive and 64 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #10 spot among the most played underwater games.
9.3
2,290
64

16
players