Free War Games on Steam
Steam currently has 4,477 War 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 War game rankings were last updated on 10/30/2025.
Looking for more? Explore other lists such as:
- Best war games on Steam
- Best war Steam Deck games
- Best war Steam games for Mac OS
- Best war Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Counter-Strike 2
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
Counter-Strike 2 holds the #1 spot for "best free War game on Steam" with a Player Score of 86. Its score was calculated by analyzing a total of 9,123,129 reviews on Steam. This breaks down to a total of 7,878,984 positive reviews and 1,244,145 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Counter-Strike 2 on the Steam Deck (though some functionality may be limited).
2. War Thunder
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.
War Thunder has achieved a Player Score of 72, placing it in the #2 spot for the best free War games. Its score was calculated by analyzing a total of 670,836 reviews on Steam. This breaks down to a total of 487,317 positive reviews and 183,519 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 8/15/2013 |
| Franchise | Gaijin Network Ltd |
| Developer | Gaijin Entertainment |
| Publishers | |
| Steam App Id | 236390 |
3. Delta Force
Delta Force, a free-to-play 1st-person tactical shooter, returns as the latest in the classic series. With 25 years defining the genre, Delta Force is back with an upgraded arsenal of weaponry, jaw-dropping environments, and a truly dynamic world.
Delta Force has achieved a Player Score of 58, placing it in the #3 spot for the best free War games. Its score was calculated by analyzing a total of 152,562 reviews on Steam. This breaks down to a total of 89,491 positive reviews and 63,071 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 Delta Force on the Steam Deck.
| Release Date | 12/4/2024 |
| Developers | |
| Publisher | TiMi Studio Group |
| Steam App Id | 2507950 |
4. Tom Clancy's Rainbow Six® Siege X
Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators.
Tom Clancy's Rainbow Six® Siege X has achieved a Player Score of 82, placing it in the #4 spot for the best free War games. Its score was calculated by analyzing a total of 1,452,669 reviews on Steam. This breaks down to a total of 1,204,422 positive reviews and 248,247 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Tom Clancy's Rainbow Six® Siege X on the Steam Deck.
| Release Date | 12/1/2015 |
| Developer | Ubisoft Montreal |
| Publisher | Ubisoft |
| Steam App Id | 359550 |
5. Arena Breakout: Infinite
Arena Breakout: Infinite is a high-stakes tactical extraction shooter where every decision matters. Fight, loot, and extract—or lose it all. With stunningly realistic visuals, lifelike sound, and unforgiving PvPvE combat, every raid is a gamble between glory and ruin.
Arena Breakout: Infinite has achieved a Player Score of 78, placing it in the #5 spot for the best free War games. Its score was calculated by analyzing a total of 26,124 reviews on Steam. This breaks down to a total of 20,784 positive reviews and 5,340 negative reviews — making it "Mostly 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 | 9/16/2025 |
| Developer | Morefun Studios |
| Publisher | Morefun Studios |
| Steam App Id | 2073620 |
6. World of Warships
Immerse yourself in thrilling naval battles and assemble an armada of over 600 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
World of Warships has achieved a Player Score of 76, placing it in the #6 spot for the best free War games. Its score was calculated by analyzing a total of 149,815 reviews on Steam. This breaks down to a total of 114,896 positive reviews and 34,919 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 World of Warships on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2017 |
| Franchise | World of Warships Franchise |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 552990 |
7. OBS Studio
Free and open-source software for video recording and live streaming
OBS Studio has achieved a Player Score of 93, placing it in the #7 spot for the best free War games. Its score was calculated by analyzing a total of 42,783 reviews on Steam. This breaks down to a total of 40,707 positive reviews and 2,076 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is not possible to play or run OBS Studio on the Steam Deck.
| Release Date | 3/21/2022 |
| Developer | OBS Project |
| Publisher | OBS Project |
| Steam App Id | 1905180 |
8. MIR4
MIR4 is a free-to-play open world K-fantasy MMORPG that can be cross-played on both PC and mobile devices. MIR4 is full of action and features numerous large scale clan PVP battles. Join now and become a legend.
MIR4 has achieved a Player Score of 64, placing it in the #8 spot for the best free War games. Its score was calculated by analyzing a total of 14,696 reviews on Steam. This breaks down to a total of 9,597 positive reviews and 5,099 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 MIR4 on the Steam Deck.
| Release Date | 8/25/2021 |
| Developer | Wemade Next |
| Publisher | Wemade |
| Steam App Id | 1623660 |
9. World of Tanks
World of Tanks is a tactical action game with very different gameplay depending on the vehicle type and role. Aside from regular PvP, there are competitive and clan-based modes, special PvE and PvPvE events, and much more. Whether you play to dominate or just enjoy the ride, you'll fit right in.
World of Tanks has achieved a Player Score of 80, placing it in the #9 spot for the best free War games. Its score was calculated by analyzing a total of 92,635 reviews on Steam. This breaks down to a total of 75,460 positive reviews and 17,175 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 World of Tanks on the Steam Deck (though some functionality may be limited).
| Release Date | 4/28/2021 |
| Franchise | Wargaming Group Ltd. |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 1407200 |
10. World of Tanks Blitz
Tanks, not war: jump into a free-to-play MMO action shooter with over 400 tanks. Enjoy stunning graphics and intuitive touch controls. Engage in 7vs7 battles, strategize with your team to conquer diverse maps. Customize tanks, unlock upgrades, and dive into adrenaline-pumping action on mobile and PC
World of Tanks Blitz has achieved a Player Score of 78, placing it in the #10 spot for the best free War games. Its score was calculated by analyzing a total of 149,734 reviews on Steam. This breaks down to a total of 117,275 positive reviews and 32,459 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play World of Tanks Blitz on the Steam Deck (though some functionality may be limited).
| Release Date | 11/9/2016 |
| Franchise | Wargaming Group Ltd. |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 444200 |
More Free War Games
Explore even more rankings for the 100 best free War games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,180,678 | 8/21/2012 | 86 | Free | Steam Charts | |
| 66,021 | 8/15/2013 | 72 | Free | Steam Charts | |
| 53,092 | 12/4/2024 | 58 | Free | Steam Charts | |
| 40,380 | 12/1/2015 | 82 | Free | Steam Charts | |
| 37,342 | 9/16/2025 | 78 | Free | Steam Charts | |
| 29,018 | 11/15/2017 | 76 | Free | Steam Charts | |
| 16,955 | 3/21/2022 | 93 | Free | Steam Charts | |
| 13,405 | 8/25/2021 | 64 | Free | Steam Charts | |
| 9,823 | 4/28/2021 | 80 | Free | Steam Charts | |
| 7,437 | 11/9/2016 | 78 | Free | Steam Charts | |
 | 4,299 | 10/15/2020 | 84 | Free | Steam Charts | |
 | 4,287 | 12/16/2010 | 72 | Free | Steam Charts | |
 | 4,036 | 7/16/2024 | 79 | Free | Steam Charts | |
 | 2,673 | 2/19/2020 | 78 | Free | Steam Charts | |
 | 2,372 | 4/6/2020 | 67 | Free | Steam Charts | |
 | 1,759 | 1/25/2016 | 50 | Free | Steam Charts | |
 | 1,472 | 4/4/2018 | 59 | Free | Steam Charts | |
 | 1,156 | 6/3/2019 | 66 | Free | Steam Charts | |
 | 1,060 | 11/20/2014 | 77 | Free | Steam Charts | |
 | 1,046 | 4/12/2023 | 74 | 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 30). Steam Store. Steam Store.
- Valve Corporation. (2025, October 30). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, October 28). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, October 30). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, October 30). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, October 30). Arena Breakout: Infinite on Steam. Steam Store.
- Valve Corporation. (2025, October 30). World of Warships on Steam. Steam Store.
- Valve Corporation. (2025, October 30). OBS Studio on Steam. Steam Store.
- Valve Corporation. (2025, October 27). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, October 23). World of Tanks on Steam. Steam Store.
- Valve Corporation. (2025, October 27). World of Tanks Blitz on Steam. Steam Store.