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 3131–3140 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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Palace of Cards

✓ Deck VerifiedCrossplay
Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
68% of 252

Play cards online with other players from around the world and choose from 6 unique games: Rummy, Solitaire, Mau-Mau (Crazy Eights), Skat, Sheepshead & Doppelkopf. Each game comes with its own community, league systems, clubs, statistics & insights, and much more. Play now, for free!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
59% of 37

Shoggoth is a multiplayer (4vs2) stealth game, in which the player takes on the role of a small dragon. With the ability to fly and to morph into items, your mission is either to seek and kill your opponents or to search for keys and escape the level.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
65% of 248

Helm your own ship, battle for supremacy in a multi-faction war, and conquer the cosmos in this science fiction turn-based strategy game. Select from more than 100+ diverse star ships and fight for territory across a 2D hex-based grid. Advance your race’s control of the galaxy, defeat enemy factions and conquer the universe in the name of your people.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
67% of 2,201

Welcome to Han Xiongnu Wars. A stand-along game and synergy of historical Far East and multiple features in role-playing, real-time strategy and action gameplay. This game brings you to the eventful years of the early Han Dynasty, and faithfully presents the ancient eastern culture with many objects and scenes faithfully reconstructed from latest archaeological findings and historic documents.

DEATHPIT 3000

Crossplay
$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
73% of 26

Fight waves of enemies in a sci-fi arena bullet-hell shooter, with up to four friends in multiplayer co-op. Upgrade weapons and equipment and unleash powerful abilities against hordes of distinct and deadly enemies to claim the championships!

Polyball

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 125

Get ready to enter a new era of physics platforming. Polyball is a classic ball rolling game in the vein of Super Monkey Ball, Marble Madness, and Marble Blast - while taking cues from games such as the Sonic series, Trackmania, and Mario Kart.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
71% of 57

Dungeons & Treasure is a roguelike multiplayer created with voxel art for virtual reality. The game is an endless fast-paced action adventure. You progress through different environments with unique enemies, bosses and challenges like traps and minor puzzles.

If you loved these, you'll love this