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 3241–3250 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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Colony Survival

✓ Deck VerifiedCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
92% of 8,276

Colony Survival is a unique first-person strategy game developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the horde of monsters that attacks every night!

Kreedz Climbing

Deck Playable
Free
Released
Price
Free
Players
👥 2–4 players
Reviews
82% of 1,025

Kreedz Climbing is the ultimate non-violent 3D platformer. Race against time and other players...or not and just relax on a server and watch others as they compete with the best to become a legend on the scene!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
82% of 322

Formicide is a fast-paced 2D online platformer with a lineup of versatile classes. Think Worms meets Team Fortress 2. Face off with teammates against enemies in destructible environments with the weapons and abilities at your disposal.

If you loved these, you'll love this

Pixel Worlds: MMO Sandbox

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
74% of 8,034

Pixel Worlds is a free-to-play sandbox MMO where players build worlds, craft items, explore dungeons, farm resources, and trade in a player-driven economy, all within a shared online universe rebuilt as a fresh start for a fair and stable long-term experience.

If you loved these, you'll love this

Lux Alliance

Crossplay
−50%
$
Released
Price
$ · Cheap · On sale −50% until 15 Oct
Players
👥 Not stated
Reviews
75% of 62

Lux Alliance is a synchronized-turns strategy war game, inspired by the classic boardgames RISK, Diplomacy and Axis & Allies. Marshall your troops, collaborate with your allies, anticipate your opponents, and capture all the enemy HQs to win!

If you loved these, you'll love this

Endless Winter

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
81% of 37

Endless Winter is a slightly difficult clearance game. Players control the cars passing through varied terrains and mechanisms, and breaking through the obstacles setting up by robots. Our story happens in a cold future world which experienced the war between humans and artificial intelligence. You can explore the wasteland as a courier. You also can challenge all kinds of difficulties with your friends.

If you loved these, you'll love this