Free Submarine Games on Steam
Steam currently has 232 Submarine 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 Submarine game rankings were last updated on 10/25/2025.
Looking for more? Explore other lists such as:
- Best submarine games on Steam
- Best submarine Steam Deck games
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- Best submarine Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Dread Not
Avoid your watery grave in this asymmetrical co-op horror game where you and a friend take the roles of a submarine Pilot and Mechanic. Work together to repair the ship, solve puzzles, avoid a deadly creature, and make it back to the surface before time runs out! It's time to Sync or Swim
Dread Not holds the #1 spot for "best free Submarine game on Steam" with a Player Score of 43. Its score was calculated by analyzing a total of 434 reviews on Steam. This breaks down to a total of 181 positive reviews and 253 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 | 6/15/2025 |
| Developer | Leviathan Interactive |
| Publisher | Leviathan Interactive |
| Steam App Id | 3616560 |
2. 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 #2 spot for the best free Submarine games. Its score was calculated by analyzing a total of 590 reviews on Steam. This breaks down to a total of 559 positive reviews and 31 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 |
3. Sync Or Sink
Trapped in a sinking submarine, two players must communicate through walkie-talkies to solve puzzles, complete tasks, navigate the depths, and escape before time runs out.
Sync Or Sink has achieved a Player Score of 78, placing it in the #3 spot for the best free Submarine games. Its score was calculated by analyzing a total of 84 reviews on Steam. This breaks down to a total of 74 positive reviews and 10 negative reviews — making it "Very Positive" 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 | 10/1/2025 |
| Developer | Low Effort Interactive |
| Publisher | Low Effort Interactive |
| Steam App Id | 3626910 |
4. Retro Commander
Retro Commander is a post-apocalyptic real-time strategy wargame (RTS).
Retro Commander has achieved a Player Score of 72, placing it in the #4 spot for the best free Submarine games. Its score was calculated by analyzing a total of 331 reviews on Steam. This breaks down to a total of 255 positive reviews and 76 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Retro Commander on the Steam Deck (though some functionality may be limited).
| Release Date | 11/24/2023 |
| Developer | Noble Master LLC |
| Publisher | Noble Master LLC |
| Steam App Id | 338820 |
5. 无畏舰队：炮火战争（Noah City:Rise of the conqueror）
Noah City:Rise of the conqueror is a SLG game. It takes place in an alternative reality where a great naval war is spreading all over the world. it focus on developing players’ gears and finding a comfortable pace of the gameplay, players who are fond of SLG games, you certainly cannot miss it!
无畏舰队：炮火战争（Noah City:Rise of the conqueror） has achieved a Player Score of 63, placing it in the #5 spot for the best free Submarine games. Its score was calculated by analyzing a total of 161 reviews on Steam. This breaks down to a total of 107 positive reviews and 54 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 | 1/24/2024 |
| Developer | LEOPARD STORM |
| Publisher | LEOPARD STORM |
| Steam App Id | 2676820 |
6. 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 #6 spot for the best free Submarine games. Its score was calculated by analyzing a total of 1,469 reviews on Steam. This breaks down to a total of 1,455 positive reviews and 14 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 |
7. Marine Quest
Simple turn-based RPG where you make your way across different marine-based landscapes, fighting several harmful species or objects in a quest to save the ocean.
Marine Quest has achieved a Player Score of 62, placing it in the #7 spot for the best free Submarine games. Its score was calculated by analyzing a total of 8 reviews on Steam. This breaks down to a total of 6 positive reviews and 2 negative reviews — making it "8 user reviews" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Marine Quest on the Steam Deck (though some functionality may be limited).
| Release Date | 8/14/2024 |
| Developer | Greg Terteryan |
| Publisher | GT_Eternity Studios |
| Steam App Id | 3120860 |
8. Pixel Puzzles World War II Jigsaw Puzzles
Pixel Puzzles, your number one place for digital jigsaws.
Pixel Puzzles World War II Jigsaw Puzzles has achieved a Player Score of 82, placing it in the #8 spot for the best free Submarine games. Its score was calculated by analyzing a total of 52 reviews on Steam. This breaks down to a total of 50 positive reviews and 2 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 Pixel Puzzles World War II Jigsaw Puzzles on the Steam Deck (though some functionality may be limited).
| Release Date | 9/6/2023 |
| Developer | Pixel Puzzles |
| Publisher | Pixel Puzzles |
| Steam App Id | 1005220 |
9. Swallow the Sea
You are a lowly egg cell on a journey through a swollen sea of strange and humanoid fish. Prey on smaller life and growing larger and stronger to perhaps someday be born.
Swallow the Sea has achieved a Player Score of 93, placing it in the #9 spot for the best free Submarine games. Its score was calculated by analyzing a total of 2,364 reviews on Steam. This breaks down to a total of 2,301 positive reviews and 63 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 9/3/2021 |
| Franchise | ItsTheTalia |
| Developers | |
| Publisher | ItsTheTalia |
| Steam App Id | 1511860 |
10. Pakicetus Redux
In deep-sea action-adventure game Pakicetus Redux, take command, choose your mission, and lead the escort submarine Salvation along a seafloor rift. Balance resource collection, upgrades, and the fate of human civilization as you battle an emerging enemy bent on stopping your search for a new home.
Pakicetus Redux has achieved a Player Score of 69, placing it in the #10 spot for the best free Submarine 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, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 4/11/2025 |
| Developers | |
| Publisher | Polymorphic Games |
| Steam App Id | 2069380 |
More Free Submarine Games
Explore even more rankings for the 38 best free Submarine games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 11 | 6/15/2025 | 43 | Free | Steam Charts | |
| 9 | 9/14/2023 | 88 | Free | Steam Charts | |
| 6 | 10/1/2025 | 78 | Free | Steam Charts | |
| 6 | 11/24/2023 | 72 | Free | Steam Charts | |
| 5 | 1/24/2024 | 63 | Free | Steam Charts | |
| 3 | 6/9/2023 | 94 | Free | Steam Charts | |
| 2 | 8/14/2024 | 62 | Free | Steam Charts | |
| 2 | 9/6/2023 | 82 | Free | Steam Charts | |
| 2 | 9/3/2021 | 93 | Free | Steam Charts | |
| 1 | 4/11/2025 | 69 | Free | Steam Charts | |
 | 1 | 7/27/2020 | 41 | Free | Steam Charts | |
 | 1 | 7/14/2023 | 76 | Free | Steam Charts | |
 | 1 | 11/4/2024 | 55 | Free | Steam Charts | |
 | 1 | 2/16/2022 | 70 | Free | Steam Charts | |
 | 1 | 5/9/2022 | 71 | Free | Steam Charts | |
 | 1 | 11/28/2022 | 57 | Free | Steam Charts | |
 | 1 | 5/30/2025 | 44 | Free | Steam Charts | |
 | 1 | 11/1/2024 | 48 | Free | Steam Charts | |
 | 1 | 5/16/2023 | 48 | Free | Steam Charts | |
 | 1 | 1/11/2025 | 75 | 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, October 25). Steam Store. Steam Store.
- Valve Corporation. (2025, October 25). Dread Not on Steam. Steam Store.
- Valve Corporation. (2025, October 4). IronWolf: Free Non-VR Edition on Steam. Steam Store.
- Valve Corporation. (2025, November 2). Sync Or Sink on Steam. Steam Store.
- Valve Corporation. (2025, October 27). Retro Commander on Steam. Steam Store.
- Valve Corporation. (2025, October 27). 无畏舰队：炮火战争（Noah City:Rise of the conqueror） on Steam. Steam Store.
- Valve Corporation. (2025, October 8). South Scrimshaw, Part One on Steam. Steam Store.
- Valve Corporation. (2025, October 10). Marine Quest on Steam. Steam Store.
- Valve Corporation. (2025, November 1). Pixel Puzzles World War II Jigsaw Puzzles on Steam. Steam Store.
- Valve Corporation. (2025, October 8). Swallow the Sea on Steam. Steam Store.
- Valve Corporation. (2025, October 2). Pakicetus Redux on Steam. Steam Store.