Free Submarine Games on Steam
Steam currently has 236 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 10/4/2025.
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. 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 holds the #1 spot for "best free Submarine game on Steam" with a Player Score of 88. Its score was calculated by analyzing a total of 611 reviews on Steam. This breaks down to a total of 577 positive reviews and 34 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 |
2. 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 has achieved a Player Score of 46, placing it in the #2 spot for the best free Submarine games. Its score was calculated by analyzing a total of 498 reviews on Steam. This breaks down to a total of 223 positive reviews and 275 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 |
3. 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 #3 spot for the best free Submarine games. Its score was calculated by analyzing a total of 167 reviews on Steam. This breaks down to a total of 111 positive reviews and 56 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run 无畏舰队：炮火战争（Noah City:Rise of the conqueror） on the Steam Deck.
| Release Date | 1/24/2024 |
| Developer | LEOPARD STORM |
| Publisher | LEOPARD STORM |
| Steam App Id | 2676820 |
4. Retro Commander
Retro Commander is a post-apocalyptic real-time strategy wargame (RTS).
Retro Commander has achieved a Player Score of 73, placing it in the #4 spot for the best free Submarine games. Its score was calculated by analyzing a total of 340 reviews on Steam. This breaks down to a total of 263 positive reviews and 77 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. 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 81, placing it in the #5 spot for the best free Submarine games. Its score was calculated by analyzing a total of 117 reviews on Steam. This breaks down to a total of 106 positive reviews and 11 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 |
6. 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 64, 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 7 positive reviews and 2 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 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 |
7. 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 #7 spot for the best free Submarine games. Its score was calculated by analyzing a total of 1,515 reviews on Steam. This breaks down to a total of 1,499 positive reviews and 16 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 |
8. Operation: Forge the Deep
Solve real materials science problems, contribute to science, and survive a new ice age in a puzzle adventure that combines engineering problems with a unique puzzle that will challenge how you look at the world around you.
Operation: Forge the Deep has achieved a Player Score of 59, placing it in the #8 spot for the best free Submarine games. Its score was calculated by analyzing a total of 12 reviews on Steam. This breaks down to a total of 8 positive reviews and 4 negative reviews — making it "Mixed" 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 | 11/28/2022 |
| Developer | BYU Materials Innovation Lab |
| Publisher | BYU Mechanical Engineering |
| Steam App Id | 2053100 |
9. Pelagos: A Marine Adventure
Dive into Pelagos: Snap, Learn & Explore Marine Ecosystems!
Pelagos: A Marine Adventure 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 23 reviews on Steam. This breaks down to a total of 17 positive reviews and 6 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Pelagos: A Marine Adventure on the Steam Deck (though some functionality may be limited).
| Release Date | 11/20/2023 |
| Developer | Rishi Garhyan |
| Publisher | Rishi Garhyan |
| Steam App Id | 2645390 |
10. Pirate Jam
Pirate Jam is a casual puzzle game where players assist an old sailor in organizing a messy home harbor. The goal is to strategically maneuver ships without causing any damage, with 20 unique levels to challenge different tactics and problem-solving skills.
Pirate Jam has achieved a Player Score of 71, placing it in the #10 spot for the best free Submarine games. Its score was calculated by analyzing a total of 46 reviews on Steam. This breaks down to a total of 37 positive reviews and 9 negative reviews — making it "Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Pirate Jam on the Steam Deck (though some functionality may be limited).
| Release Date | 2/16/2022 |
| Developers | |
| Publisher | Cold Enemy Gaming |
| Steam App Id | 1878210 |
More Free Submarine Games
Explore even more rankings for the 38 best free Submarine games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 6 | 9/14/2023 | 88 | Free | Steam Charts | |
| 5 | 6/15/2025 | 46 | Free | Steam Charts | |
| 5 | 1/24/2024 | 63 | Free | Steam Charts | |
| 4 | 11/24/2023 | 73 | Free | Steam Charts | |
| 3 | 10/1/2025 | 81 | Free | Steam Charts | |
| 2 | 8/14/2024 | 64 | Free | Steam Charts | |
| 2 | 6/9/2023 | 94 | Free | Steam Charts | |
| 1 | 11/28/2022 | 59 | Free | Steam Charts | |
| 1 | 11/20/2023 | 65 | Free | Steam Charts | |
| 1 | 2/16/2022 | 71 | Free | Steam Charts | |
 | 1 | 9/1/2020 | 64 | Free | Steam Charts | |
 | 1 | 11/4/2024 | 56 | Free | Steam Charts | |
 | 1 | 11/1/2024 | 50 | Free | Steam Charts | |
 | 1 | 8/25/2025 | 81 | Free | Steam Charts | |
 | 1 | 5/30/2025 | 45 | Free | Steam Charts | |
 | 1 | 12/21/2023 | 90 | Free | Steam Charts | |
 | 1 | 10/20/2023 | 78 | Free | Steam Charts | |
 | 1 | 9/6/2023 | 82 | Free | Steam Charts | |
 | 1 | 5/16/2023 | 50 | Free | Steam Charts | |
 | 1 | 8/31/2022 | 65 | 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 4). Steam Store. Steam Store.
- Valve Corporation. (2025, October 4). IronWolf: Free Non-VR Edition on Steam. Steam Store.
- Valve Corporation. (2025, December 2). Dread Not on Steam. Steam Store.
- Valve Corporation. (2025, November 8). 无畏舰队：炮火战争（Noah City:Rise of the conqueror） on Steam. Steam Store.
- Valve Corporation. (2026, January 20). Retro Commander on Steam. Steam Store.
- Valve Corporation. (2025, December 13). Sync Or Sink on Steam. Steam Store.
- Valve Corporation. (2025, October 10). Marine Quest on Steam. Steam Store.
- Valve Corporation. (2026, January 6). South Scrimshaw, Part One on Steam. Steam Store.
- Valve Corporation. (2025, November 29). Operation: Forge the Deep on Steam. Steam Store.
- Valve Corporation. (2025, December 6). Pelagos: A Marine Adventure on Steam. Steam Store.
- Valve Corporation. (2025, November 27). Pirate Jam on Steam. Steam Store.