Online co-op Co-op Campaign games

Every online co-op Co-op Campaign game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 381–390 of 433 games matching Co-op Campaign, newest first · updated 13 Oct 2026

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A Year Of Rain

Deck Playable
−90%
$$
Released
Price
$$ · Standard · On sale −90% until 26 Oct
Players
👥 Up to 2 players
Reviews
42% of 504

A desolate realm, kept in flux by the rhythm of battle. A proving ground for those with great ambition. A Year Of Rain is the ultimate team real-time strategy game. Choose your faction, team up and take control of a legendary hero to lead your armies!

$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
82% of 35

Update: Try our new co-op roguelike campaign mode! Amoeba Battle is a real-time strategy game where you take control of amoebas to conquer the microscopic world. Amoebas don't build bases - your units must explore, feed, and replicate to build your army!

We Were Here Together

✓ Deck VerifiedCrossplay
−62%
$$
Released
Price
$$ · Standard · On sale −62% until 19 Oct
Players
👥 Up to 2 players
Reviews
82% of 14,526

As we explore these frozen wastes, misfortune strikes once again. Through the fierce blizzard, a flare lights the sky, followed by a cry for help over the radio - broken, dying... No one else can come to their rescue. Can we make it back - together?

If you loved these, you'll love this

Trine 4: The Nightmare Prince

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
88% of 11,737

A physics-based puzzle platformer in breathtaking 2.5D. A haunted prince's nightmares are leaking into the waking world — chase him down as wizard, knight and thief, solving puzzles of fire, water, light, magnets, electricity and more. Play solo or with up to three friends, online or in local co-op.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
58% of 17

Grab your friends and build and fly your own customisable spaceship. With local and online co-op customise your spacecraft with a wide variety of components, you must work together to figure out the best way to survive your journey!

If you loved these, you'll love this

Trailmakers

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 2–8 players
Reviews
92% of 34,172

Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.

If you loved these, you'll love this