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 161–170 of 178 games matching Collectathon · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
100% of 5

Avast ye! Welcome aboard to the ultimate pirate adventure in SHORES OF PLUNDER! Battle friends, outlast hordes of enemies, and amass the greatest fortune in the seven seas. Race against time on a dangerous island filled with treasure, then unwind in a secret pirate cove full of shenanigans.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
71% of 117

ManaSoul is a 2D Pixel Art MORPG where you create and play as your own unique Mage in a world of magic. Play solo or with friends and take on challenges, solve puzzles, and explore the beautiful hand crafted open world.

If you loved these, you'll love this

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

In Pew Pew Squad, battle zombies in a post-apocalyptic setting. Take out the undead, buy new weapons, and up your odds of survival. Fast-paced action and constant challenges await you in this thrilling game!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
91% of 528

Unwind together in a peaceful idle adventure. Become a rock in a serene world, relax with friends in co-op, and watch nature unfold around you. Discover secrets and shape your environment at a soothing, idle pace.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
93% of 141

Hodgepodge Hunch is a who-done-it game where everyone chips in to make a hotpot dish. Collaborate with your buddies to collect ingredients in the dungeons and whip up a delicious feast. There's just one problem... A backstabber may be lurking among you who'll throw your dinner plans awry...

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
86% of 127

Embark on an extraordinary journey through a mystical realm where warlocks and magic reign supreme. Introducing "Warlocks Deeds," a superbly crafted medieval survival sandbox voxel game that will transport you to a world of enchantment and adventure!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 10 players
Reviews
89% of 91

As a player, you become Sacabambaspis and live each day with your fellow Sacabambaspis, growing and evolving by swimming in the sea and eating plankton. Progress through the story with your companions in Sacabambaspis, and see what happens in the end.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
96% of 4,347

A quirky, absolutely content-packed, destructible open-world sandbox adventure with combat, platforming, character customization, and collect-a-thon scavenger hunt experience. Play solo, 2-player split screen, or online co-op for up to 4 players. No paid cosmetic DLC nonsense.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
68% of 297

Jump, Dash, Slide! Dive into a classic 3D platformer experience with Boti: Byteland Overclocked. Explore the stylized insides of a computer as a determined data robot and save Byteland from an ominous threat. Play solo or team up with a friend in seamless co-op.

If you loved these, you'll love this