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 61–70 of 178 games matching Collectathon · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
87% of 8

Experience infinite voxel based fantasy home decorating in multiplayer or solo with pets! No unlocks, no limits, no enemies, just relax and build freely.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
87% of 31

[Up to 8 Players] Build bridges together, cross them, and reach Treasure Island! Use anything from wood to desks to pianos! Throw and stick them together to build your bridge!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
87% of 8

Experience an adorable life in an MMORPG world. where you can play however you like! Create your own character and dream home, choose your career, team up with friends to launch a company, adventures with your adorable pet. Whether you’re battling or simply enjoying a chill lifestyle in your style!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
68% of 16

Solnest is a relaxing hidden-object adventure set in 11 peaceful, sunlit, solarpunk-themed rooms. Explore all cozy levels to discover 700+ hidden cute cats in a beautifully hand-drawn world. Play solo, in co-op, or try PvP for a bit of extra fun.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
73% of 506

Nested Lands is a ruthless medieval RPG game featuring in-depth village building, large-scale social management and combats. Gather survivors, build a settlement, craft, master your skills, survive, and endure alone or in online co-op.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
32% of 123

In a world where sweets and carbs are banned, take your baking underground. Build and upgrade your RV kitchen, bake forbidden treats, sell them across cities, manage your blood sugar, and stay one step ahead of the law. Play solo or team up with friends to grow your underground baking empire.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
33% of 3

Backrooms: The Wrong Level is a cooperative horror game for 1–4 players. Alone or with friends, you will explore the game, trying to understand where you are, what is happening and how to survive on this hellish level.

If you loved these, you'll love this