Free Military Games on Steam
Steam currently has 3,413 Military 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 Military game rankings were last updated on 7/7/2025.
Looking for more? Explore other lists such as:
- Best military games on Steam
- Best military Steam Deck games
- Best military Steam games for Mac OS
- Best military 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 Military game on Steam" with a Player Score of 86. Its score was calculated by analyzing a total of 8,879,526 reviews on Steam. This breaks down to a total of 7,691,280 positive reviews and 1,188,246 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 62, placing it in the #2 spot for the best free Military games. Its score was calculated by analyzing a total of 121,581 reviews on Steam. This breaks down to a total of 76,162 positive reviews and 45,419 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 Military games. Its score was calculated by analyzing a total of 636,209 reviews on Steam. This breaks down to a total of 464,789 positive reviews and 171,420 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. 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 83, placing it in the #4 spot for the best free Military games. Its score was calculated by analyzing a total of 1,421,082 reviews on Steam. This breaks down to a total of 1,184,398 positive reviews and 236,684 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. Mecha BREAK
Squad up in Mecha BREAK, a multiplayer third-person shooter offering players three game modes filled with high-octane ground and aerial combat. Pilot your Striker into the breach and take on enemies across worldwide hotspots. Ready for the ultimate showdown?
Mecha BREAK has achieved a Player Score of 61, placing it in the #5 spot for the best free Military games. Its score was calculated by analyzing a total of 14,853 reviews on Steam. This breaks down to a total of 9,115 positive reviews and 5,738 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 7/2/2025 |
| Developers | |
| Publishers | |
| Steam App Id | 2452280 |
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 Military games. Its score was calculated by analyzing a total of 147,152 reviews on Steam. This breaks down to a total of 113,266 positive reviews and 33,886 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. 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 Military games. Its score was calculated by analyzing a total of 148,605 reviews on Steam. This breaks down to a total of 116,649 positive reviews and 31,956 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. KARDS - The WW2 Card Game
KARDS, The World War II Card Game, combines traditional CCG gameplay with innovative mechanics inspired by classic strategy games and real battlefield tactics. Take command and challenge other players in grand-scale warfare on the ground, air, or seas.
KARDS - The WW2 Card Game has achieved a Player Score of 72, placing it in the #8 spot for the best free Military games. Its score was calculated by analyzing a total of 40,250 reviews on Steam. This breaks down to a total of 29,291 positive reviews and 10,959 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run KARDS - The WW2 Card Game on the Steam Deck.
| Release Date | 4/15/2020 |
| Developer | 1939 Games |
| Publisher | 1939 Games |
| Steam App Id | 544810 |
9. 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 81, placing it in the #9 spot for the best free Military games. Its score was calculated by analyzing a total of 88,553 reviews on Steam. This breaks down to a total of 72,955 positive reviews and 15,598 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 | 4/29/2021 |
| Franchise | Wargaming Group Ltd. |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 1407200 |
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 Military games. Its score was calculated by analyzing a total of 48,850 reviews on Steam. This breaks down to a total of 41,416 positive reviews and 7,434 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 Military Games
Explore even more rankings for the 100 best free Military games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,011,653 | 8/21/2012 | 86 | Free | Steam Charts | |
| 130,986 | 12/4/2024 | 62 | Free | Steam Charts | |
| 59,037 | 8/15/2013 | 73 | Free | Steam Charts | |
| 54,778 | 12/1/2015 | 83 | Free | Steam Charts | |
| 37,656 | 7/2/2025 | 61 | Free | Steam Charts | |
| 8,244 | 11/15/2017 | 76 | Free | Steam Charts | |
| 6,997 | 11/9/2016 | 78 | Free | Steam Charts | |
| 5,711 | 4/15/2020 | 72 | Free | Steam Charts | |
| 4,458 | 4/29/2021 | 81 | Free | Steam Charts | |
| 3,410 | 10/15/2020 | 83 | Free | Steam Charts | |
 | 1,587 | 5/30/2023 | 23 | Free | Steam Charts | |
 | 1,568 | 8/22/2024 | 72 | Free | Steam Charts | |
 | 1,032 | 4/21/2023 | 87 | Free | Steam Charts | |
 | 856 | 8/2/2013 | 84 | Free | Steam Charts | |
 | 759 | 2/11/2025 | 83 | Free | Steam Charts | |
 | 617 | 4/12/2023 | 75 | Free | Steam Charts | |
 | 521 | 7/20/2022 | 56 | Free | Steam Charts | |
 | 342 | 5/22/2024 | 70 | Free | Steam Charts | |
 | 331 | 10/21/2017 | 70 | Free | Steam Charts | |
 | 291 | 7/16/2019 | 73 | 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 7). Steam Store. Steam Store.
- Valve Corporation. (2025, July 7). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, July 10). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, July 10). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, July 10). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, July 10). Mecha BREAK on Steam. Steam Store.
- Valve Corporation. (2025, July 9). World of Warships on Steam. Steam Store.
- Valve Corporation. (2025, July 10). World of Tanks Blitz on Steam. Steam Store.
- Valve Corporation. (2025, July 2). KARDS - The WW2 Card Game on Steam. Steam Store.
- Valve Corporation. (2025, July 10). World of Tanks on Steam. Steam Store.
- Valve Corporation. (2025, June 26). Age of Empires III: Definitive Edition on Steam. Steam Store.