Online co-op Indie games

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

Showing 1891–1900 of 1,911 games matching Indie · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
65% of 23

Backrooms Cycle is an immersive exploration RPG/FPS horror set in the backrooms. You will explore and scavenge, build up your arsenal and gain powerful perks. Decide if you want to rescue fellow scientists, build an outpost in the poolrooms or just care about yourself.

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
50% of 4

"Survive and escape an undead nightmare in this cooperative multiplayer adventure. Join forces with others, battle hordes of undead, and find the elusive way out. Teamwork is key in this thrilling fight for survival."

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 523

联机修仙,多人爬塔!《山河伏妖录》是一款重现上古神话的多人联机策略冒险游戏,你受命于乱世,修习奇门功法,斩尽魑魅魍魉,还天下以太平。

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 3,806

WWII Online is a massive, persistent free-to-play MMO FPS driven entirely by players. Fight as Army, Air, or Naval forces and earn Victory Points to access more units. One global server. No scripts. Real outcomes. No zones. Huge world (300,000 km²). ENLIST NOW!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
78% of 76

Let your talent shine when you sing along your favorite songs in this fun party game! A variety of modes let you play with friends or compete against them. An open song format and AI powered editor tools provide boundless possibilites.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
79% of 107

Perfect Partner is a party game where 2 players work closely to compete with other penguins! The road to the championship is full of mini-games, win them to collect furniture and decorate your own island! Sometimes your worst enemy is in the same boat!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 3

18 Levels of Hells is a time-survival, featuring bullet-hell & roguelite elements, folklore horror & 2D pixel-art, support up to 8 multiplayer online co-op. Players kill monsters, upgrade, unlock new weapon. Boss fights feature challenging rhythm-synchronized patterns.

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

Time Knight VS. Zombies is a fast-paced roguelike. Play as a knight who faces traps and armies of extraterrestrial zombies in over 90 levels. Every second counts in this medieval pixel art universe.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
0% of 7

In an unknown environment, only this light can bring a little warmth, but the continuous decline of the battery is stripping away my sense of security, I have to escape! A zombie game for 1-4 players. In darkness, players use flashlights to affect zombie behavior, explore, escape and reach the end.

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