Free Military Games on Steam
Steam currently has 3,501 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 8/19/2025.
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 8,966,044 reviews on Steam. This breaks down to a total of 7,753,758 positive reviews and 1,212,286 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. 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 #2 spot for the best free Military games. Its score was calculated by analyzing a total of 1,436,884 reviews on Steam. This breaks down to a total of 1,194,631 positive reviews and 242,253 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 |
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 61, placing it in the #3 spot for the best free Military games. Its score was calculated by analyzing a total of 132,644 reviews on Steam. This breaks down to a total of 81,323 positive reviews and 51,321 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. 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 #4 spot for the best free Military games. Its score was calculated by analyzing a total of 648,089 reviews on Steam. This breaks down to a total of 473,726 positive reviews and 174,363 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 |
5. 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 #5 spot for the best free Military games. Its score was calculated by analyzing a total of 148,100 reviews on Steam. This breaks down to a total of 113,860 positive reviews and 34,240 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 |
6. 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 #6 spot for the best free Military games. Its score was calculated by analyzing a total of 49,444 reviews on Steam. This breaks down to a total of 41,948 positive reviews and 7,496 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 |
7. 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 81, placing it in the #7 spot for the best free Military games. Its score was calculated by analyzing a total of 89,405 reviews on Steam. This breaks down to a total of 73,464 positive reviews and 15,941 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 |
8. Mecha BREAK
Squad up in Mecha BREAK, a multiplayer third-person shooter offering three intense game modes filled with ground and aerial combat. Pilot your Striker into the breach and neutralize enemies. Are you ready for the ultimate showdown?
Mecha BREAK has achieved a Player Score of 59, placing it in the #8 spot for the best free Military games. Its score was calculated by analyzing a total of 23,413 reviews on Steam. This breaks down to a total of 14,028 positive reviews and 9,385 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 |
9. 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 #9 spot for the best free Military games. Its score was calculated by analyzing a total of 149,041 reviews on Steam. This breaks down to a total of 116,866 positive reviews and 32,175 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 |
10. Mecharashi
Mecharashi is a mecha-themed tactical turn-based game. The game adopts a unique part-destruction combat system, where you can assemble mechas however you want, equip a wide selection of weapons, and choose your favorite pilots to engage in battle.
Mecharashi has achieved a Player Score of 69, placing it in the #10 spot for the best free Military games. Its score was calculated by analyzing a total of 804 reviews on Steam. This breaks down to a total of 578 positive reviews and 226 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 Mecharashi on the Steam Deck (though some functionality may be limited).
| Release Date | 7/31/2025 |
| Developer | BlackJack Studio |
| Publishers | |
| Steam App Id | 3446920 |
More Free Military Games
Explore even more rankings for the 100 best free Military games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 640,451 | 8/21/2012 | 86 | Free | Steam Charts | |
| 68,004 | 12/1/2015 | 83 | Free | Steam Charts | |
| 44,676 | 12/4/2024 | 61 | Free | Steam Charts | |
| 37,314 | 8/15/2013 | 73 | Free | Steam Charts | |
| 8,985 | 11/15/2017 | 76 | Free | Steam Charts | |
| 3,659 | 10/15/2020 | 83 | Free | Steam Charts | |
| 3,342 | 4/28/2021 | 81 | Free | Steam Charts | |
| 2,833 | 7/2/2025 | 59 | Free | Steam Charts | |
| 2,384 | 11/9/2016 | 78 | Free | Steam Charts | |
| 898 | 7/31/2025 | 69 | Free | Steam Charts | |
 | 259 | 10/21/2017 | 70 | Free | Steam Charts | |
 | 230 | 8/31/2022 | 89 | Free | Steam Charts | |
 | 224 | 7/1/2014 | 66 | Free | Steam Charts | |
 | 208 | 8/5/2025 | 50 | Free | Steam Charts | |
 | 184 | 7/16/2019 | 72 | Free | Steam Charts | |
 | 159 | 3/6/2020 | 74 | Free | Steam Charts | |
 | 130 | 2/15/2023 | 75 | Free | Steam Charts | |
 | 130 | 9/18/2024 | 47 | Free | Steam Charts | |
 | 127 | 10/22/2024 | 51 | Free | Steam Charts | |
 | 115 | 5/21/2014 | 82 | 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, August 19). Steam Store. Steam Store.
- Valve Corporation. (2025, August 19). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, August 19). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, August 19). World of Warships on Steam. Steam Store.
- Valve Corporation. (2025, August 18). Age of Empires III: Definitive Edition on Steam. Steam Store.
- Valve Corporation. (2025, August 19). World of Tanks on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Mecha BREAK on Steam. Steam Store.
- Valve Corporation. (2025, August 15). World of Tanks Blitz on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Mecharashi on Steam. Steam Store.