Online co-op Outbreak Sim games

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

Showing 11–20 of 27 games matching Outbreak Sim · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
75% of 4

Pay 1M or Die! As a desperate debtor, survive a cursed island to repay a ruthless creditor. Scavenge treasure while evading lethal beasts and the ravenous Wendigo. Will you settle your tab or pay with your life? Survival is the only way out in Wendigo Land : Survive The Legend!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 11

“Hero Hospital” is a classic hospital management game: send in undercover agents and fake patient brokers, unleash dogs to cause crashes and chaos, dump trash and throw bombs, and even head into outbreak zones to fight viruses. The gameplay can be expanded endlessly.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 3

Battle against hordes of violent creatures in this 2D arcade-shooter. Utilize your vast arsenal of weapons to survive across the 8 maps, level up using the unique class and perk system, beat your previous high scores as you become stronger. Endure the peril alone, or with up to 3 other friends.

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NEH

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
28% of 7

noEndHOUSE is a cooperative horror game where players explore dark, monster-filled environments, solve deadly puzzles, and face moral choices. Trust your team — unless one of them is infected.

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$
Released
Price
$ · Cheap
Players
👥 Up to 7 players
Reviews
87% of 862

Manage the night shift of an ER during the apocalypse, solo or with friends online: Diagnose patients. Design and grow your hospital, and defend against the undead while treating the living. If you're a creator, connect the game to Twitch and make the audience your patients for even more fun!

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

Blast through an intense top-down zombie survival experience. Scavenge, craft, build, and fight endless hordes of the undead. With heroism, deep progression, and dynamic combat, carve your story in a brutal post-apocalypse. Forge alliances or stand alone—how long can you outlast the rising terror?

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
56% of 466

Afterinfection is a brand new zombie survival game designed in Unreal 4 and being developed by a small team from Thailand. After creating your survivor, you’ll start with nothing and have to make your way across a large island searching for food, water, weapons, and crafting supplies.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
47% of 38

As you find yourself stranded on an island overrun by vicious dinosaurs and cretures, you must fight to survive and make your escape. Explore the island's dangerous landscapes, capture and raise dinosaurs to aid your journey, and outsmart the deadly creatures.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
66% of 3

In Walking Survival, the darkness is closing in, and monstrous creatures are coming for you! Harness the power of magic, develop unique abilities, and obliterate waves of enemies before they overwhelm you.

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