Free Submarine Games on Steam
Steam currently has 217 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 7/24/2025.
Looking for more? Explore other lists such as:
- Best submarine games on Steam
- Best submarine Steam Deck games
- Best submarine Steam games for Mac OS
- 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 45. Its score was calculated by analyzing a total of 359 reviews on Steam. This breaks down to a total of 156 positive reviews and 203 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 564 reviews on Steam. This breaks down to a total of 534 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 |
3. 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 #3 spot for the best free Submarine games. Its score was calculated by analyzing a total of 320 reviews on Steam. This breaks down to a total of 246 positive reviews and 74 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 |
4. 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 #4 spot for the best free Submarine games. Its score was calculated by analyzing a total of 163 reviews on Steam. This breaks down to a total of 109 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 |
5. 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 83, placing it in the #5 spot for the best free Submarine games. Its score was calculated by analyzing a total of 48 reviews on Steam. This breaks down to a total of 47 positive reviews and 1 negative reviews — making it "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 |
6. Salvo Subs
Destroy your friends online in Salvo Subs, a retro inspired top-down shooter. Unlock 32 submarine vessels in 10+ arena game modes.
Salvo Subs has achieved a Player Score of 75, placing it in the #6 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 9 positive reviews and 0 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.
7. 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 #7 spot for the best free Submarine games. Its score was calculated by analyzing a total of 2,326 reviews on Steam. This breaks down to a total of 2,267 positive reviews and 59 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 |
8. Pacific Minesweeper
Dive into the Pacific's depths in a submersible, navigating through different areas to defuse mines and score points. Aim for precision with limited shots. Avoid errors to keep your lives. Experience high-stakes, strategic gameplay in this free singleplayer adventure!
Pacific Minesweeper has achieved a Player Score of 52, placing it in the #8 spot for the best free Submarine games. Its score was calculated by analyzing a total of 13 reviews on Steam. This breaks down to a total of 7 positive reviews and 6 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Pacific Minesweeper on the Steam Deck (though some functionality may be limited).
| Release Date | 1/2/2024 |
| Developer | Andrei Zanoaga |
| Publisher | Andrei Zanoaga |
| Steam App Id | 2665500 |
9. Subtension
Outfit, crew and command your submarine to save what's left of humanity beneath the seas of a ruined earth. Man your sub's systems and take aim in this real-time strategy epic! Inspired by FTL, this subnautic student project serves as our first 2-semester release.
Subtension has achieved a Player Score of 65, placing it in the #9 spot for the best free Submarine games. Its score was calculated by analyzing a total of 10 reviews on Steam. This breaks down to a total of 8 positive reviews and 2 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 3/28/2023 |
| Developer | WolverineSoft Studio |
| Publisher | WolverineSoft |
| Steam App Id | 2251660 |
10. Harmonic Depths
Embark on a relaxing journey in an underwater realm. Glide through captivating environments, embracing the tranquility of exploration and survival found in these Harmonic Depths.
Harmonic Depths has achieved a Player Score of 77, placing it in the #10 spot for the best free Submarine games. Its score was calculated by analyzing a total of 13 reviews on Steam. This breaks down to a total of 13 positive reviews and 0 negative reviews — making it "Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Harmonic Depths on the Steam Deck (though some functionality may be limited).
More Free Submarine Games
Explore even more rankings for the 36 best free Submarine games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 11 | 6/15/2025 | 45 | Free | Steam Charts | |
| 7 | 9/14/2023 | 88 | Free | Steam Charts | |
| 7 | 11/24/2023 | 72 | Free | Steam Charts | |
| 6 | 1/24/2024 | 63 | Free | Steam Charts | |
| 3 | 9/6/2023 | 83 | Free | Steam Charts | |
| 2 | 1/11/2025 | 75 | Free | Steam Charts | |
| 2 | 9/3/2021 | 93 | Free | Steam Charts | |
| 1 | 1/2/2024 | 52 | Free | Steam Charts | |
| 1 | 3/28/2023 | 65 | Free | Steam Charts | |
| 1 | 12/8/2023 | 77 | Free | Steam Charts | |
 | 1 | 2/16/2022 | 71 | Free | Steam Charts | |
 | 1 | 5/9/2022 | 71 | Free | Steam Charts | |
 | 1 | 5/30/2025 | 46 | Free | Steam Charts | |
 | 1 | 7/27/2020 | 42 | Free | Steam Charts | |
 | 1 | 6/9/2023 | 94 | Free | Steam Charts | |
 | 1 | 7/14/2023 | 76 | Free | Steam Charts | |
 | 1 | 11/29/2022 | 60 | Free | Steam Charts | |
 | 1 | 11/4/2024 | 58 | Free | Steam Charts | |
 | 1 | 12/21/2023 | 89 | Free | Steam Charts | |
 | 1 | 7/17/2023 | 53 | 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, July 24). Steam Store. Steam Store.
- Valve Corporation. (2025, July 24). Dread Not on Steam. Steam Store.
- Valve Corporation. (2025, May 28). IronWolf: Free Non-VR Edition on Steam. Steam Store.
- Valve Corporation. (2025, July 4). Retro Commander on Steam. Steam Store.
- Valve Corporation. (2025, July 7). 无畏舰队：炮火战争（Noah City:Rise of the conqueror） on Steam. Steam Store.
- Valve Corporation. (2025, May 29). Pixel Puzzles World War II Jigsaw Puzzles on Steam. Steam Store.
- Valve Corporation. (2025, July 13). Salvo Subs on Steam. Steam Store.
- Valve Corporation. (2025, July 7). Swallow the Sea on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Pacific Minesweeper on Steam. Steam Store.
- Valve Corporation. (2025, May 18). Subtension on Steam. Steam Store.
- Valve Corporation. (2025, May 15). Harmonic Depths on Steam. Steam Store.