Free War Games on Steam
Steam currently has 3,988 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 4/25/2025.
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 8,734,128 reviews on Steam. This breaks down to a total of 7,578,427 positive reviews and 1,155,701 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. 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 64, placing it in the #2 spot for the best free War games. Its score was calculated by analyzing a total of 101,376 reviews on Steam. This breaks down to a total of 65,809 positive reviews and 35,567 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 |
3. 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 73, placing it in the #3 spot for the best free War games. Its score was calculated by analyzing a total of 615,157 reviews on Steam. This breaks down to a total of 449,723 positive reviews and 165,434 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 |
4. 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 #4 spot for the best free War games. Its score was calculated by analyzing a total of 14,492 reviews on Steam. This breaks down to a total of 9,454 positive reviews and 5,038 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 |
5. 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 #5 spot for the best free War games. Its score was calculated by analyzing a total of 35,403 reviews on Steam. This breaks down to a total of 33,733 positive reviews and 1,670 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 |
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 146,018 reviews on Steam. This breaks down to a total of 112,644 positive reviews and 33,374 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 | Wargaming Group Ltd. |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 552990 |
7. 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 #7 spot for the best free War games. Its score was calculated by analyzing a total of 147,583 reviews on Steam. This breaks down to a total of 116,054 positive reviews and 31,529 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 |
8. World of Tanks
Jump into the free-to-play team-based shooter with an ever-expanding roster of historical vehicles, stunning graphics, spectacular locales, and orchestral scores. Show your mastery and face other players in thrilling PvP clashes. A unique mix of strategy and action awaits!
World of Tanks has achieved a Player Score of 83, placing it in the #8 spot for the best free War games. Its score was calculated by analyzing a total of 85,601 reviews on Steam. This breaks down to a total of 71,878 positive reviews and 13,723 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. EVE Online
EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox.
EVE Online has achieved a Player Score of 73, placing it in the #9 spot for the best free War games. Its score was calculated by analyzing a total of 36,095 reviews on Steam. This breaks down to a total of 26,603 positive reviews and 9,492 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 EVE Online on the Steam Deck (though some functionality may be limited).
10. Age of Empires III: Definitive Edition
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
Age of Empires III: Definitive Edition has achieved a Player Score of 83, placing it in the #10 spot for the best free War games. Its score was calculated by analyzing a total of 47,710 reviews on Steam. This breaks down to a total of 40,344 positive reviews and 7,366 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 Age of Empires III: Definitive Edition on the Steam Deck (though some functionality may be limited).
| Release Date | 10/15/2020 |
| Franchise | Age of Empires Franchise |
| Developers | |
| Publisher | Xbox Game Studios |
| Steam App Id | 933110 |
More Free War Games
Explore even more rankings for the 100 best free War games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 871,555 | 8/21/2012 | 86 | Free | Steam Charts | |
| 59,390 | 12/4/2024 | 64 | Free | Steam Charts | |
| 37,028 | 8/15/2013 | 73 | Free | Steam Charts | |
| 13,935 | 8/25/2021 | 64 | Free | Steam Charts | |
| 11,860 | 3/21/2022 | 93 | Free | Steam Charts | |
| 5,747 | 11/15/2017 | 76 | Free | Steam Charts | |
| 4,373 | 11/9/2016 | 78 | Free | Steam Charts | |
| 3,456 | 4/28/2021 | 83 | Free | Steam Charts | |
| 2,753 | 12/16/2010 | 73 | Free | Steam Charts | |
| 2,678 | 10/15/2020 | 83 | Free | Steam Charts | |
 | 2,583 | 4/15/2020 | 73 | Free | Steam Charts | |
 | 2,285 | 7/16/2024 | 79 | Free | Steam Charts | |
 | 2,209 | 4/6/2020 | 68 | Free | Steam Charts | |
 | 1,358 | 1/25/2016 | 50 | Free | Steam Charts | |
 | 1,248 | 2/19/2020 | 79 | Free | Steam Charts | |
 | 1,138 | 4/4/2018 | 60 | Free | Steam Charts | |
 | 1,012 | 6/3/2019 | 66 | Free | Steam Charts | |
 | 962 | 11/20/2014 | 77 | Free | Steam Charts | |
 | 852 | 9/1/2022 | 57 | Free | Steam Charts | |
 | 733 | 6/13/2019 | 55 | 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, April 25). Steam Store. Steam Store.
- Valve Corporation. (2025, April 25). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, April 25). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, April 25). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, April 25). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, April 25). OBS Studio on Steam. Steam Store.
- Valve Corporation. (2025, April 25). World of Warships on Steam. Steam Store.
- Valve Corporation. (2025, April 24). World of Tanks Blitz on Steam. Steam Store.
- Valve Corporation. (2025, April 24). World of Tanks on Steam. Steam Store.
- Valve Corporation. (2025, April 21). EVE Online on Steam. Steam Store.
- Valve Corporation. (2025, April 24). Age of Empires III: Definitive Edition on Steam. Steam Store.