Online co-op Indie games

Every online co-op Indie game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 3481–3490 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
83% of 7,952

CastleMiner Z is an infinite world filled with deep places to explore, and horrifying monsters to slay. Build structures out of blocks, craft weapons and tools from raw materials, and explore the vast and frightening world around you.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
76% of 715

Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.

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Tiny Brains

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
78% of 397

"Tiny Brains" is a cooperative action puzzler that follows four super-powered lab animals in their attempt to escape a mad scientist's experiments. In this joyously chaotic multiplayer game, the four "Tiny Brains" must combine their unique physics-based powers to navigate through a trick-ridden maze.

If you loved these, you'll love this

King Arthur's Gold

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
84% of 5,232

Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?

If you loved these, you'll love this

FORCED: Slightly Better Edition

Deck PlayableCrossplay
$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
74% of 1,779

FORCED is a challenging 1-4-player game with co-op at its heart! A mix of tactical arcade action, RPG elements and puzzles will forge you and your friends together. As slaves in the toughest gladiator school of them all, you will face a plethora of unique trials - designed to be your death! Luckily, Balfus the Spirit Mentor will do his best to train you...

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