Free Underwater Games on Steam
Steam currently has 647 Underwater games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Underwater game rankings were last updated on 5/26/2025.
Looking for more? Explore other lists such as:
- Best underwater games on Steam
- Best underwater Steam Deck games
- Best underwater Steam games for Mac OS
- Best underwater Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Pearls of Atlantis: The Cove
Color match in a whole new way! Drop, pop, swap and match magic pearls to collect the charms inside and rebuild the hidden Cove of Memories!
Pearls of Atlantis: The Cove holds the #1 spot for "best free Underwater game on Steam" with a Player Score of 71. Its score was calculated by analyzing a total of 41 reviews on Steam. This breaks down to a total of 33 positive reviews and 8 negative reviews — making it "Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Pearls of Atlantis: The Cove on the Steam Deck (though some functionality may be limited).
| Release Date | 2/15/2024 |
| Developer | Alder Games |
| Publisher | Legacy Games |
| Steam App Id | 2678160 |
2. Shrimp.io
A Shrimp Based Bullet Heaven. Kill creatures, Level up & pick from 3 upgrades to unalive thousands more.
Shrimp.io has achieved a Player Score of 80, placing it in the #2 spot for the best free Underwater games. Its score was calculated by analyzing a total of 228 reviews on Steam. This breaks down to a total of 198 positive reviews and 30 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Shrimp.io on the Steam Deck (though some functionality may be limited).
3. 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.
IronWolf: Free Non-VR Edition has achieved a Player Score of 88, placing it in the #3 spot for the best free Underwater games. Its score was calculated by analyzing a total of 546 reviews on Steam. This breaks down to a total of 516 positive reviews and 30 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play IronWolf: Free Non-VR Edition on the Steam Deck (though some functionality may be limited).
| Release Date | 9/14/2023 |
| Developer | Ionized Studios |
| Publisher | Ionized Studios |
| Steam App Id | 2530670 |
4. Infinite Blue
Discover an immersive ocean Eco-Sim where you can be almost any animal under the sea! From a tiny seahorse to a massive blue whale, experience the endless circle of life in a massive world of reefs, shipwrecks, and hidden wonders.
Infinite Blue has achieved a Player Score of 64, placing it in the #4 spot for the best free Underwater games. Its score was calculated by analyzing a total of 218 reviews on Steam. This breaks down to a total of 147 positive reviews and 71 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 9/30/2024 |
| Developer | Gluten Free Games |
| Publisher | Gluten Free Games |
| Steam App Id | 2775910 |
5. Tidal Shock: Off The Hook
It's a wet and wild PvP shooter for 2-12 players! Hunt down foes on high-speed torpedoes, Outmaneuver rivals with 360° tactics, and master 4 high-stakes game modes in sprawling underwater arenas. Always free to play, never pay to win!
Tidal Shock: Off The Hook has achieved a Player Score of 73, placing it in the #5 spot for the best free Underwater games. Its score was calculated by analyzing a total of 71 reviews on Steam. This breaks down to a total of 58 positive reviews and 13 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 4/18/2025 |
| Developer | Moonray Studios |
| Publisher | Moonray Studios |
| Steam App Id | 1262890 |
6. 疯狂炮炮捕鱼
超爽福利版《疯狂炮炮捕鱼》闪亮登场，经典捕鱼玩法，十万倍率满屏BOSS，金币狂爆不停。每天送金币，每周有活动，创意捕鱼玩法，升级养成分数比拼一战到底。
疯狂炮炮捕鱼 has achieved a Player Score of 67, placing it in the #6 spot for the best free Underwater games. Its score was calculated by analyzing a total of 429 reviews on Steam. This breaks down to a total of 299 positive reviews and 130 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play 疯狂炮炮捕鱼 on the Steam Deck (though some functionality may be limited).
7. #7-J5Z: The Driftwood Experiment
A simple and short cozy game where you play as an unusual robot, exploring an underwater cave system.
#7-J5Z: The Driftwood Experiment has achieved a Player Score of 60, placing it in the #7 spot for the best free Underwater games. Its score was calculated by analyzing a total of 4 reviews on Steam. This breaks down to a total of 3 positive reviews and 1 negative reviews — making it "4 user reviews" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 4/30/2025 |
| Developer | Andrew "VAGRIENT" Bray |
| Publisher | Andrew VAGRIENT Bray |
| Steam App Id | 3342050 |
8. Among Ripples
Control a pond's ecosystem; experiment with what you can do and see what happens. Among Ripples is a meditative ecosystem management simulator; you add different creatures to the pond and see how they interact.
Among Ripples has achieved a Player Score of 66, placing it in the #8 spot for the best free Underwater games. Its score was calculated by analyzing a total of 1,440 reviews on Steam. This breaks down to a total of 980 positive reviews and 460 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 1/22/2015 |
| Developer | Eat Create Sleep |
| Publisher | Eat Create Sleep |
| Steam App Id | 341720 |
9. South Scrimshaw, Part One
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
South Scrimshaw, Part One has achieved a Player Score of 94, placing it in the #9 spot for the best free Underwater games. Its score was calculated by analyzing a total of 1,374 reviews on Steam. This breaks down to a total of 1,363 positive reviews and 11 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play South Scrimshaw, Part One on the Steam Deck (though some functionality may be limited).
| Release Date | 6/9/2023 |
| Developer | Nathan O. Marsh |
| Publisher | Nathan O. Marsh |
| Steam App Id | 2443110 |
10. Pearl Fishery: Quest for the Mega Pearl
Shoot pearls, fire harpoons, and collect treasure under the mysterious "Pearl Island" in this new single-player, ocean-themed coin pusher game!
Pearl Fishery: Quest for the Mega Pearl has achieved a Player Score of 69, placing it in the #10 spot for the best free Underwater games. Its score was calculated by analyzing a total of 9 reviews on Steam. This breaks down to a total of 8 positive reviews and 1 negative reviews — making it "9 user reviews" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Pearl Fishery: Quest for the Mega Pearl on the Steam Deck (though some functionality may be limited).
| Release Date | 3/22/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2826860 |
More Free Underwater Games
Explore even more rankings for the 76 best free Underwater games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 5 | 2/15/2024 | 71 | Free | Steam Charts | |
| 4 | 2/13/2024 | 80 | Free | Steam Charts | |
| 4 | 9/14/2023 | 88 | Free | Steam Charts | |
| 3 | 9/30/2024 | 64 | Free | Steam Charts | |
| 3 | 4/18/2025 | 73 | Free | Steam Charts | |
| 2 | 10/22/2021 | 67 | Free | Steam Charts | |
| 2 | 4/30/2025 | 60 | Free | Steam Charts | |
| 2 | 1/22/2015 | 66 | Free | Steam Charts | |
| 2 | 6/9/2023 | 94 | Free | Steam Charts | |
| 1 | 3/22/2024 | 69 | Free | Steam Charts | |
 | 1 | 9/9/2022 | 63 | Free | Steam Charts | |
 | 1 | 3/31/2021 | 83 | Free | Steam Charts | |
 | 1 | 7/15/2024 | 53 | Free | Steam Charts | |
 | 1 | 7/15/2024 | 70 | Free | Steam Charts | |
 | 1 | 5/31/2024 | 72 | Free | Steam Charts | |
 | 1 | 1/2/2024 | 52 | Free | Steam Charts | |
 | 1 | 12/20/2024 | 58 | Free | Steam Charts | |
 | 1 | 11/4/2024 | 60 | Free | Steam Charts | |
 | 1 | 8/20/2021 | 83 | Free | Steam Charts | |
 | 1 | 1/23/2024 | 72 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2025, May 26). Steam Store. Steam Store.
- Valve Corporation. (2025, May 26). Pearls of Atlantis: The Cove on Steam. Steam Store.
- Valve Corporation. (2025, May 18). Shrimp.io on Steam. Steam Store.
- Valve Corporation. (2025, May 15). IronWolf: Free Non-VR Edition on Steam. Steam Store.
- Valve Corporation. (2025, May 12). Infinite Blue on Steam. Steam Store.
- Valve Corporation. (2025, May 21). Tidal Shock: Off The Hook on Steam. Steam Store.
- Valve Corporation. (2024, September 22). 疯狂炮炮捕鱼 on Steam. Steam Store.
- Valve Corporation. (2025, May 23). #7-J5Z: The Driftwood Experiment on Steam. Steam Store.
- Valve Corporation. (2025, May 9). Among Ripples on Steam. Steam Store.
- Valve Corporation. (2025, May 15). South Scrimshaw, Part One on Steam. Steam Store.
- Valve Corporation. (2025, May 16). Pearl Fishery: Quest for the Mega Pearl on Steam. Steam Store.