Online co-op Post-apocalyptic games

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

Showing 181–190 of 304 games matching Post-apocalyptic · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
50% of 6

This is a top-down survival-building game blending farming, tower defense, and micromanagement, requiring you to fend off zombie hordes, grow crops, and strategically deploy traps to defend your homestead.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 7

Explore dangerous bunkers packed with mutants, scavenge vital loot, and race against dwindling oxygen. Upgrade your shelter, craft gear, and risk it all for bigger rewards. Solo or co-op, see how deep you dare go!

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Free
Released
Price
Free
Players
👥 1–4 players
Reviews
83% of 18

Section Gamma is a turn-based strategy game set in a post-apocalyptic world for 1-4 players. It combines classic RTS elements with the strategic depth of chess. Play an exciting single-player campaign or fight alongside friends in multiplayer matches.

Free
Released
Price
Free
Players
👥 Up to 3 players
Reviews
70% of 10

Equip various magitech, perks, and weaponry to fight against hordes of creatures beckoned to remind humanity of their hubris. Fight either alone or alongside up to two friends, and employ advanced tactics to defy the forces of fate.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
63% of 52

Command one of three unique factions in a post-apocalyptic old-school RTS. Now featuring Patch 0.4.0 -- new mini-campaign and gamemodes."

Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
80% of 15

The Lost Desert is a online multiplayer shooter game is made in the Blitz3D game engine. It works on basically any PC hardware with windows on it. It is mainly for windows 95-98 but works on XP and above to 11.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
52% of 57

A hardcore tactical shooter with horror elements. Battle Machines and Mutants, and build your legacy on a deadly post-apocalyptic Cyberpunk Island. Explore dangerous zones, craft powerful gear, and shape your Cyberware build. Uncover secrets and fight to survive in a brutal, immersive world!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
51% of 914

"Last Remains" is a highly challenging multiplayer zombie survival game. Players must survive in a city overrun by the undead, scavenging for food, arming themselves, avoiding zombies, searching for loot, plundering other survivors, and finding any possible way to escape.

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