Free War Games on Steam
Steam currently has 4,604 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 12/6/2025.
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 9,207,280 reviews on Steam. This breaks down to a total of 7,950,207 positive reviews and 1,257,073 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 689,751 reviews on Steam. This breaks down to a total of 502,252 positive reviews and 187,499 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. 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 #3 spot for the best free War games. Its score was calculated by analyzing a total of 1,460,630 reviews on Steam. This breaks down to a total of 1,209,778 positive reviews and 250,852 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 |
| Franchise | Tom Clancy Franchise |
| Developer | Ubisoft Montreal |
| Publisher | Ubisoft |
| Steam App Id | 359550 |
4. 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 59, placing it in the #4 spot for the best free War games. Its score was calculated by analyzing a total of 163,316 reviews on Steam. This breaks down to a total of 95,978 positive reviews and 67,338 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 |
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 79, placing it in the #5 spot for the best free War games. Its score was calculated by analyzing a total of 36,640 reviews on Steam. This breaks down to a total of 29,260 positive reviews and 7,380 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 151,376 reviews on Steam. This breaks down to a total of 116,205 positive reviews and 35,171 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 44,243 reviews on Steam. This breaks down to a total of 42,118 positive reviews and 2,125 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. 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 #8 spot for the best free War games. Its score was calculated by analyzing a total of 94,203 reviews on Steam. This breaks down to a total of 76,584 positive reviews and 17,619 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 |
9. 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 65, placing it in the #9 spot for the best free War games. Its score was calculated by analyzing a total of 14,733 reviews on Steam. This breaks down to a total of 9,631 positive reviews and 5,102 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 |
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 150,582 reviews on Steam. This breaks down to a total of 117,942 positive reviews and 32,640 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 | ||||
|---|---|---|---|---|---|---|
| 1,223,540 | 8/21/2012 | 86 | Free | Steam Charts | |
| 74,067 | 8/15/2013 | 72 | Free | Steam Charts | |
| 56,320 | 12/1/2015 | 82 | Free | Steam Charts | |
| 51,433 | 12/4/2024 | 59 | Free | Steam Charts | |
| 28,858 | 9/16/2025 | 79 | Free | Steam Charts | |
| 25,939 | 11/15/2017 | 76 | Free | Steam Charts | |
| 20,885 | 3/21/2022 | 93 | Free | Steam Charts | |
| 15,678 | 4/28/2021 | 80 | Free | Steam Charts | |
| 12,027 | 8/25/2021 | 65 | Free | Steam Charts | |
| 9,894 | 11/9/2016 | 78 | Free | Steam Charts | |
 | 5,343 | 12/16/2010 | 72 | Free | Steam Charts | |
 | 5,103 | 10/15/2020 | 84 | Free | Steam Charts | |
 | 4,977 | 7/16/2024 | 79 | Free | Steam Charts | |
 | 2,805 | 2/19/2020 | 79 | Free | Steam Charts | |
 | 2,655 | 4/6/2020 | 67 | Free | Steam Charts | |
 | 1,903 | 4/4/2018 | 59 | Free | Steam Charts | |
 | 1,775 | 1/25/2016 | 51 | Free | Steam Charts | |
 | 1,650 | 7/2/2025 | 60 | Free | Steam Charts | |
 | 1,273 | 8/2/2013 | 84 | Free | Steam Charts | |
 | 1,137 | 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, December 6). Steam Store. Steam Store.
- Valve Corporation. (2025, December 6). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, December 5). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, December 6). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, December 6). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, December 5). Arena Breakout: Infinite on Steam. Steam Store.
- Valve Corporation. (2025, December 4). World of Warships on Steam. Steam Store.
- Valve Corporation. (2025, December 6). OBS Studio on Steam. Steam Store.
- Valve Corporation. (2025, December 5). World of Tanks on Steam. Steam Store.
- Valve Corporation. (2025, December 3). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, December 1). World of Tanks Blitz on Steam. Steam Store.