Online co-op Mystery Dungeon games

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

Showing 51–60 of 62 games matching Mystery Dungeon · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
80% of 25

A post-apocalyptic survival game for up to 6 players, participants must join forces to care for their infected uncle, explore a zombie-ravaged world in search of resources and rescue clues, and face challenges such as resource management and decision-making impactful.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
78% of 32

You're an ex-pirate stranded on a mysterious island and you need to hunt and build houses to survive. You must face challenges and enemies. You must solve mysteries and open locked doors. Explore this mysterious island alone or with other pirate friends

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
33% of 6

Scary In is a Co-op Horror game, set in the post-apocalyptic future due to radiation called Solar, and you have to live in underground station where it connect to all the world station. Travel with friends, many solar entity lurking around, and you have to solve puzzle, Start your journey now!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
72% of 158

Helbreath is a dark medieval MMORPG featuring intense PvP, strategic alliances, and a trade-centric economy. Choose between two warring factions and immerse yourself in epic battles and quests in a vast fantasy world.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
77% of 18

Thousands of years ago the mighty Sage fought with the people of the kingdom against the Demon King's army and sealed it away. Thousands of years later you will play as the Sage's heir and face off again with the Demon King who was sealed thousands of years ago.

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

Beneath The Earth - Backrooms is a Co-Op horror game that can be played with at least 1 and up to 4 players. Where you and your friends will fight to escape from the different levels of the backrooms, solving different puzzles.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
69% of 232

A grinding medieval fantasy life sim with a detailed complex crafting system complemented by survival and RPG elements. Grind resources, craft items, trade with locals, master professions, fulfill quests and explore the world to uncover its long-lost secrets.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
64% of 2,959

ENDLESS Dungeon™ is a Rogue-lite Tactical Action game, set in the award-winning ENDLESS Universe™. Recruit a team of shipwrecked heroes, plunge into a long-abandoned space station, and protect your crystal against never-ending waves of monsters… or die trying, get reloaded, and try again.

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$
Released
Price
$ · Cheap
Players
👥 Up to 11 players
Reviews
82% of 880

Survival horror with roguelike elements. Explore randomized levels with different items and entities while trying to maintain your thirst, hunger, and sanity, ensuring a new experience every time. Play alone or with up to TEN friends online! Cross-platform multiplayer with Nintendo Switch.

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