Online co-op Shoot 'Em Up games

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

Showing 21–30 of 144 games matching Shoot 'Em Up · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
100% of 2

Operation is a zombie horror action game where players enter a sealed operation zone, fight infected enemies, complete mission objectives, and survive with teammates in a dark and dangerous environment.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players

Top-down shooter inspired by 90s arcade games. You and up to three friends play as four mercenaries as they descend into the Epsilon 9 bunker. Navigate 70+ handcrafted labyrinthine levels, purchase upgrades, and destroy chaos manifest: The Machine.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
75% of 4

Humanity’s Sun is destabilising. Worlds are on fire. A Solar-wide evacuation has begun. Earth’s military force—The Lunar Corps—prepares the colonisation of our new star system: Arcadia. But rising distress calls and radio silence hint at an unseen enemy lurking in the shadows...

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

Resurrection is a wave-based indie FPS by Bad Dev Studios. Fight endless, aggressive zombie hordes in a burning city. spend points at the random weapon box for better firearms, manage your ammo, and use precision sniping to survive increasingly difficult waves.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Enter the quarantine zone with your squad, build devastating loadouts, and survive endless infected hordes in this co-op zombie extraction shooter. Complete dangerous contracts, uncover the truth behind the outbreak, and fight your way out alive.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players

Co-op or solo sci-fi horror. Purge a biological outbreak with flamethrowers & grenades. Explore infested zones, grab keycards & stuff, then trigger the protocol to burn the Mother Organism. Team up. Erase the threat

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
71% of 21

Zombie Wasteland Together is a 1–4 player co-op zombie shooter set in a post-apocalyptic desert. Team up with friends, fight endless hordes of infected, and survive using powerful weapons.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
76% of 30

A deadly outbreak has consumed a remote space station. Team up with friends, recover DNA samples, rescue the crew, and survive against the infected in this 1–4 player co-op survival horror experience.

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

A survivor-like action survival game centered on 3D movement, dodging, and co-op horde clearing. Upgrade skills, craft your build, strengthen your gear, carve through enemy waves, and take down bosses.

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