Online co-op War games

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

Showing 61–70 of 261 games matching War · updated 12 Oct 2026

Filters: War × Clear all
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
88% of 17

Wood’N’Destroy is a real-time strategy game where you build your base, gather resources, and command your army to destroy your enemies. Expand your economy, develop new technologies, and dominate the battlefield.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
63% of 137

Jump into a true real-time strategy, and fully 3D battles! Order of Kings is an MMO game mixing RTS and SLG. You can control massive troops, plan combining 3D terrain and physical collision effects, join in alliances with friends, compete with other server players, and build your own legend!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
89% of 857

A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.

$$
Released
Price
$$ · Standard
Players
👥 Up to 11 players
Reviews
84% of 6,726

Join massive multiplayer battles in Over The Top: WWI - an intense shooter set in the gritty backdrop of World War I. Pick your class, choose from a vast arsenal, including rifles, artillery, airplanes, and powerful tanks, and experience the chaos of fully destructible battlefields.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated

Command a nomadic empire where your base is as mobile as your fleet. Capture vital sectors to dynamically terraform the battlefield. Customize capital ships, issue sector-wide doctrines, and out-macro your foes. You aren’t just fighting on the map—you are rewriting it.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
30% of 586

A free-to-play classic hardcore MMORPG featuring solo adventure, co-op battles, and intense online PvP in a vast multiplayer world. Strengthen your character through RPG progression, collect powerful gear, and carve out your own path through war and exploration.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 9 players
Reviews
81% of 16

Stop the Nazi invasion of Washington! Fight solo or with up to 8 friends in this fast-paced satirical shooter. Use style and heavy firepower to save the capital and rewrite history.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
84% of 743

From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
44% of 9

A SLG strategy game with the historical background of the Three Kingdoms! Players develop their own technology, build fortified buildings, and recruit more soldiers to enhance their overall strength Players conquer cities, make achievements, and ultimately unify the world!

If you loved these, you'll love this