Online co-op Military games

Every online co-op Military game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 191–200 of 291 games matching Military · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
74% of 5,598

In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 10

Zugnaex is a very powerful demon. If you say its name correctly, every single little tiny syllable, you will summon the demon & bring forth the apocalypse. But Zugnaex has never faced a foe like you. Battle online with your friends to ultimately face the demon itself and decide the fate of humanity.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 789

From Gooseman, creator of the original Counter-Strike mod - Alpha Response delivers intense police action in dynamic, real-world environments. Fight solo or with friends against diverse enemies in high-stakes missions that demand fast reflexes, teamwork and split-second decision making.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
90% of 64

Prepare your defenses during the day and survive until dawn. Defender Bros is a Top-Down Tower Defense Roguelike where you play as a Soldier defending your Base. Pick between multiple abilities as you level up to increase you power, then after each run buy perks and get stronger

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
72% of 418

Coming of age as a part of the first generation born free, WWII stripped me of my family, home, and future. Now I'm left with only one choice: to get my revenge and independence, or die trying. The odds are against us: will our tactics, stealth and teamwork be enough?

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
72% of 307

"Armored of Doom" is a TPS game with "tank vehicle" + "MOBA" gameplay. You will use famous active and retired tanks to compete on the battlefield. The game combines the strategic depth of traditional tank battles with the excitement of MOBA games, bringing an unprecedented gaming experience.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
82% of 158

Learn, hone and master all the instruments and controls of a real helicopter! Follow the tutorials to turn the aircraft on and off, learn to use ropes and flares and apply your knowledge in missions based on real situations!

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