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 2001–2010 of 3,555 games matching Indie, newest first · updated 16 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

You can play with many people with a map made with the map editor and share the created map. You can set up individual or team battles and become a team together to catch monsters, escape mazes, or fight each other. Create a map using the map editor in World of Mana and enjoy it together.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
63% of 30

EDEN is a physical sandbox. No limits, create worlds and play the way you want! To create worlds, we give you a large set of tools, game mechanics, smart and not so smart NPCs, cars, weapons and many other interesting things.

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Speedrush

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Not stated

Speedrush is a 2D sandbox platforming game which can be played alone, or with other users. It is the perfect game to chill out with friends on, to challenge yourself, or to practice your platforming skills.

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Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
90% of 5,874

Play an early version of the first level for free! Work together to solve the puzzles and escape a desert island in this multiplayer co-op adventure. Success requires more than just you and your partner thinking alike - you'll have to communicate and stay In Sink to overcome the challenges ahead.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 23

Welcome to the world of Infinimine! Start with a basic pickaxe and upgrade your gear as you mine your way deeper into the abyss. Mine an assortment of ores with your guildies as a party or solo to level up your guild for buffs as well as unlocking other mining classes..

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 46

Flight Level is an Air Traffic Control simulator made by real radar controllers to give everyone a chance to experience what the job is like. The game also teaches the core concepts of ATC and lets players work together in multiplayer.

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Ikki Unite

Deck PlayableCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
77% of 676

SUNSOFT relapses... The legendary Bad Game Hall of Famer "Ikki" is back, and this time it's a multiplayer experience! You can't start a riot with just one or two people! Enlist up to 16 friends in this Roguelite madness... Ikki but united!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
77% of 20,864

Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by developers of the cancelled Project Reality 2 project.

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