Online co-op Collectathon games

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

Showing 41–50 of 178 games matching Collectathon · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
80% of 15

A 1–4 player cooperative horror game set in an abandoned hospital in Japan. Recover boxes filled with organs, but you cannot run while carrying one. Work together with your friends and escape from the hospital where something is lurking!

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
0% of 2

Backrooms: The Wrong Reality is a cooperative psychological horror game for 1–4 players. Explore a distorted and hostile reality alone or with friends as you search for answers, avoid what lurks in the dark, and struggle to survive a place that should not exist.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
93% of 447

Run your mall. Open new stores, sign contracts with leading brands, hire teammates, and meet customer needs. Play with friends or go solo, and enjoy the growth of your mall.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
93% of 46

A free prologue to the cozy penguin sandbox. Fish, slide, and explore a snowy island with friends. Catch 30 sea creatures, play arcade games, customize your penguin, and cause a little harmless chaos along the way.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
67% of 216

Sort up to ∞ toys across massive multi-floor toy stores, solo or with up to ∞ players, unlock powerful upgrades, and turn complete chaos into perfect organization in this cozy 3D cleanup game.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Become a shark and rule a living, physics-driven ocean! Hunt, survive, and team up with friends to take down bosses, collect loot, and customize your look. You'll be amazed at what you can do with a mouth full of teeth. Play flat-screen, VR or cross-platform with your friends on the Meta Quest.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
43% of 78

A cozy junkyard card-collecting sim - now with online co-op. Dig through mountains of trash with friends, hunt rare collectible cards, sell your junk for profit, and upgrade your gear.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players

Trust is fragile. Escape is everything. SHADE WALKERS is a multiplayer horror strategy game where three teams of two compete to escape a haunted facility. Search for dolls, summon terrifying Shades, and outwit enemy teams in intense, item-based mind games. Only one team escapes. Will it be yours?

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
78% of 14

Burnout is the perfect game for anyone who has run out of patience. Click, snap, let it out: here stress isn’t cured, it’s recycled. The more unhinged you get, the more the game rewards you.

If you loved these, you'll love this