Free Military Games on Steam

Steam currently has 3,425 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.

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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 banner

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 8,885,377 reviews on Steam. This breaks down to a total of 7,695,573 positive reviews and 1,189,804 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).

Release Date 8/21/2012
Franchise Valve
Developers
Publisher Valve
Steam App Id 730

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 banner

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 121,811 reviews on Steam. This breaks down to a total of 76,286 positive reviews and 45,525 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 banner

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 636,928 reviews on Steam. This breaks down to a total of 465,232 positive reviews and 171,696 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 banner

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 1,422,361 reviews on Steam. This breaks down to a total of 1,185,206 positive reviews and 237,155 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 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 banner

Mecha BREAK has achieved a Player Score of 60, placing it in the #5 spot for the best free Military games. Its score was calculated by analyzing a total of 16,367 reviews on Steam. This breaks down to a total of 9,834 positive reviews and 6,533 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 banner

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 147,272 reviews on Steam. This breaks down to a total of 113,329 positive reviews and 33,943 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 banner

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 banner

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 40,426 reviews on Steam. This breaks down to a total of 29,366 positive reviews and 11,060 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 banner

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 88,610 reviews on Steam. This breaks down to a total of 72,983 positive reviews and 15,627 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 banner

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 48,897 reviews on Steam. This breaks down to a total of 41,454 positive reviews and 7,443 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.

ImageName
Actions
Counter-Strike 2 steam charts
976,552
8/21/2012
86
Free
Steam Charts
Delta Force steam charts
156,125
12/4/2024
62
Free
Steam Charts
War Thunder steam charts
58,782
8/15/2013
73
Free
Steam Charts
Tom Clancy's Rainbow Six® Siege X steam charts
57,435
12/1/2015
83
Free
Steam Charts
Mecha BREAK steam charts
35,393
7/2/2025
60
Free
Steam Charts
World of Warships steam charts
20,319
11/15/2017
76
Free
Steam Charts
World of Tanks Blitz steam charts
6,613
11/9/2016
78
Free
Steam Charts
KARDS - The WW2 Card Game steam charts
5,774
4/15/2020
72
Free
Steam Charts
World of Tanks steam charts
5,133
4/29/2021
81
Free
Steam Charts
Age of Empires III: Definitive Edition steam charts
4,263
10/15/2020
83
Free
Steam Charts
Aeons Echo steam charts
1,214
8/22/2024
72
Free
Steam Charts
MOBILE SUIT GUNDAM BATTLE OPERATION 2 steam charts
1,014
5/30/2023
23
Free
Steam Charts
Combat Master: Season 4 steam charts
947
4/21/2023
87
Free
Steam Charts
DCS World Steam Edition steam charts
915
8/2/2013
84
Free
Steam Charts
Fantasy General II steam charts
861
9/5/2019
79
$29.99
Steam Charts
Caliber steam charts
691
4/12/2023
75
Free
Steam Charts
War Selection steam charts
585
10/8/2019
84
Free
Steam Charts
Battle Teams 2 steam charts
569
7/20/2022
56
Free
Steam Charts
Viking Rise steam charts
563
5/22/2024
70
Free
Steam Charts
GIRLS' FRONTLINE 2: EXILIUM steam charts
481
2/11/2025
83
Free
Steam Charts
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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 11). War Thunder on Steam. Steam Store.
  • Valve Corporation. (2025, July 12). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
  • Valve Corporation. (2025, July 12). Mecha BREAK on Steam. Steam Store.
  • Valve Corporation. (2025, July 11). World of Warships on Steam. Steam Store.
  • Valve Corporation. (2025, July 11). 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, July 10). Age of Empires III: Definitive Edition on Steam. Steam Store.

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