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 171–180 of 291 games matching Military · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
69% of 260

TDP4 Team Battle is a real-time multiplayer 2D shooter game with MMORPG elements. The bloody battle for survival among 3 races. There are various types of matches, locations and types of guns. Developed Clan and Tournament system. Test your skills against real enemies!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
88% of 1,037

Tank Arena:Total Operation is a free MMO war game where you play as a commander, drive thousands of types of tanks, armored vehicles or helicopters on a massive battlefield engaging in 12v12 team-based battles against players globally. Enjoy the fun!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
73% of 23

A tactical multiplayer FPS created by a solo developer as a passion project. Featuring a fully destructible, block-based environment. Gather resources to produce weapons, ammo, and vehicles. Play multiplayer PVP/co-op or singleplayer with bots.

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
59% of 57

SCP: Retrieval is an indie multiplayer action horror game set in the SCP universe. You will play as a Mobile Task Force unit sent to retrieve dangerous anomalous creatures after a massive series of major breaches.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 1

Hidden Bloodhunt is an exhilarating multiplayer game where tension runs high. Play as an innocent or become a traitor. Use strategy, deception, and teamwork to survive. Who will prevail in this manhunt where shadow and cunning are your allies? Get ready to hunt or be hunted in Hidden Bloodhunt!

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$$
Released
Price
$$ · Standard
Players
👥 1–8 players
Reviews
0% of 1

Space Wackos is an online and local party shooter for 1-8 players. Featuring 2 game modes, over 10 maps and and over 12 game types, players have the freedom fight against each other in free-for-all or as a team in Coop and PVP games.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
67% of 302

EXFIL delivers raw tactical FPS intensity with no distractions. No loot grinding, no gimmicks, just pure realism. EXFIL tests your strategy, comms, and teamwork in high-stakes tactical engagements. Will your squad rise to the challenge?

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
89% of 89

A co-op horror game where you team up with friends to hunt anomalies and collect rare loot. Customize your loadouts, your looks, and get to work!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
71% of 14

Turn Based strategy, more fun than chess. Play it. With a vibrant and supportive community, every battle is not just a conquest, but an experience shared among friends.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
57% of 198,268

Play for free in operator-based extraction and full-scale combined arms warfare. Become elite Operators, customize an ever-expanding arsenal of weapons, and deploy into thrill-packed missions across multiple modes.

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