Free War Games on Steam
Steam currently has 4,095 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 5/25/2025.
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 8,793,532 reviews on Steam. This breaks down to a total of 7,624,993 positive reviews and 1,168,539 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 63, placing it in the #2 spot for the best free War games. Its score was calculated by analyzing a total of 109,892 reviews on Steam. This breaks down to a total of 70,197 positive reviews and 39,695 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 623,242 reviews on Steam. This breaks down to a total of 455,702 positive reviews and 167,540 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. 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 #4 spot for the best free War games. Its score was calculated by analyzing a total of 36,468 reviews on Steam. This breaks down to a total of 34,732 positive reviews and 1,736 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 |
5. 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 #5 spot for the best free War games. Its score was calculated by analyzing a total of 14,528 reviews on Steam. This breaks down to a total of 9,480 positive reviews and 5,048 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 |
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 146,313 reviews on Steam. This breaks down to a total of 112,778 positive reviews and 33,535 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. 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 73, placing it in the #7 spot for the best free War games. Its score was calculated by analyzing a total of 38,295 reviews on Steam. This breaks down to a total of 28,327 positive reviews and 9,968 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 |
8. Warhammer 40,000: Gladius - Relics of War
Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.
Warhammer 40,000: Gladius - Relics of War 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 14,422 reviews on Steam. This breaks down to a total of 11,726 positive reviews and 2,696 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 Warhammer 40,000: Gladius - Relics of War on the Steam Deck (though some functionality may be limited).
| Steam Price | $3.99 |
| Release Date | 7/12/2018 |
| Franchise | Proxy Studios |
| Developer | Proxy Studios |
| Publisher | Slitherine Ltd. |
| Steam App Id | 489630 |
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 War games. Its score was calculated by analyzing a total of 147,954 reviews on Steam. This breaks down to a total of 116,261 positive reviews and 31,693 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. 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 82, placing it in the #10 spot for the best free War games. Its score was calculated by analyzing a total of 87,458 reviews on Steam. This breaks down to a total of 72,376 positive reviews and 15,082 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 |
More Free War Games
Explore even more rankings for the 100 best free War games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,056,299 | 8/21/2012 | 86 | Free | Steam Charts | |
| 109,800 | 12/4/2024 | 63 | Free | Steam Charts | |
| 52,830 | 8/15/2013 | 73 | Free | Steam Charts | |
| 13,930 | 3/21/2022 | 93 | Free | Steam Charts | |
| 13,554 | 8/25/2021 | 64 | Free | Steam Charts | |
| 12,336 | 11/15/2017 | 76 | Free | Steam Charts | |
| 5,843 | 4/15/2020 | 73 | Free | Steam Charts | |
| 4,831 | 7/12/2018 | 80 | $3.99 | Steam Charts | |
| 4,354 | 11/9/2016 | 78 | Free | Steam Charts | |
| 3,887 | 4/28/2021 | 82 | Free | Steam Charts | |
 | 3,759 | 10/15/2020 | 83 | Free | Steam Charts | |
 | 3,373 | 4/6/2020 | 67 | Free | Steam Charts | |
 | 3,355 | 12/15/2010 | 73 | Free | Steam Charts | |
 | 2,615 | 7/16/2024 | 79 | Free | Steam Charts | |
 | 1,488 | 2/19/2020 | 79 | Free | Steam Charts | |
 | 1,466 | 4/4/2018 | 60 | Free | Steam Charts | |
 | 1,377 | 1/25/2016 | 50 | Free | Steam Charts | |
 | 1,099 | 6/3/2019 | 66 | Free | Steam Charts | |
 | 817 | 9/1/2022 | 57 | Free | Steam Charts | |
 | 803 | 8/2/2013 | 84 | 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, May 25). Steam Store. Steam Store.
- Valve Corporation. (2025, May 25). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, May 25). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, May 23). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, May 25). OBS Studio on Steam. Steam Store.
- Valve Corporation. (2025, May 22). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, May 21). World of Warships on Steam. Steam Store.
- Valve Corporation. (2025, May 23). KARDS - The WW2 Card Game on Steam. Steam Store.
- Valve Corporation. (2025, May 23). Warhammer 40,000: Gladius - Relics of War on Steam. Steam Store.
- Valve Corporation. (2025, May 23). World of Tanks Blitz on Steam. Steam Store.
- Valve Corporation. (2025, May 23). World of Tanks on Steam. Steam Store.