Online co-op Combat games

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

Showing 1121–1130 of 1,410 games matching Combat, newest first · updated 13 Oct 2026

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Skullborn

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
73% of 57

Skullborn is an infinite massively multiplayer sandbox game! Begin as a skeleton, fight, gather resources, and craft armor/weapon to upgrade your bones! Explore and team up with other players around the world.

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Girls vs Zombies

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

Third person wave-based game. The concept is that you must survive a zombie apocalypse as a girl who wakes up in the middle of the disaster in her underwear. You don't have anything and you must arm yourself and defeat the zombies before they eat you.

USAC: Code Breach

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
91% of 1,070

USAC: Code Breach™ is a unique coop experience set in a cyberpunk universe. As a special police unit, you and your partner are called in to investigate the unexpected shutdown of a high-tech research facility. Between reflection and action, you must survive a situation that is beyond you.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
66% of 15

The Guardian Stone is a online third person Action Tower Defense Game with Rpg elements and mulitplayer. Set in the fantasy world of Elrone, You play as a hero protecting the realm from the forces of evil.

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

Pillars of Protection is a team-based tower defense game. Towers can take on complex movement paths. You can play online multiplayer in PvP or PvE modes. Build a base to protect your core from the onslaught of incoming monsters. Play as a shooter, melee, mover, or healing hero.

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Gotham Knights

✓ Deck Verified
$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
68% of 15,721

Batman is dead. It is now up to the Batman Family - Batgirl, Nightwing, Red Hood, and Robin - to protect Gotham City.

The Valiant

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
62% of 210

Embark on a journey of brotherhood and redemption in The Valiant, a squad-based RTS set in 13th Century Europe and the Middle East. Command and level-up your medieval knights as you fight through an epic SP campaign, then take your skills online in both cooperative and competitive MP modes.

Clash of Irons

✓ Deck Verified
Free
Released
Price
Free
Players
👥 Not stated
Reviews
67% of 74

Real-time tank RPG+SLG game. It recreates the classic tanks of World War II and restores the shocking war scenes with fantasy World War II plots. Command your futuristic tanks across history and rekindle your war spirit with the will of iron and blood.

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Thief City

Crossplay
Free
Released
Price
Free
Players
👥 4–20 players
Reviews
60% of 10

Steal a little and they'll put you in jail, steal a lot and they'll make you #1. Thief City is a low poly, indie, cross-platform multiplayer, casual & action game. Select your community, battle it out, and climb to the top of the leaderboard!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
60% of 41

Phantom Hysteria thrusts you into the ghost hunting genre. Play solo or co-op with up to four players, where you will have to investigate, banish, and neutralize phantoms with your taped-together gear.

If you loved these, you'll love this