Online co-op Early Access games

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

Showing 1231–1240 of 1,455 games matching Early Access, newest first · updated 13 Oct 2026

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Islet Online

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
77% of 539

Islet Online is a sandbox-style MMORPG. It is all about digging and placing bricks to build your own land. And with various materials from wildlife, bricks can be combined to make useful items, too. Whenever you act, your character gets experience.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 9 players
Reviews
50% of 4

Defend your skyland! Grab a tower and fight off the pirates. Build traps to slow down their march. Construct utility buildings and expand your village. Play alone or join your friends in this in-depth strategy and tower defense game!

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$
Released
Price
$ · Cheap
Players
👥 2–4 players
Reviews
0% of 2

Iffy Institute[/b] is a fast-paced maze action game for 2-4 players, in which the five most high-profile lab animals fight for survival in a mad scientists lab. Build explosion chains with powerful directional bombs and roast your enemies with super-mighty special skills.

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Volcanoids

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
83% of 7,691

A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
51% of 286

The Warhorn is a medieval RPG mixed with city-building and management elements. Play as an adventurer who decided to leave his dull life as a lumberjack behind to explore a dangerous world full of puzzles in the pursuit of the most valuable relic mankind has ever seen: The Warhorn!

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Galaxity : Beta VR

Crossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 21

Galaxity is a wonderful virtual world. In this game, you can create an avatar and customize it with a variety of costumes. You can also talk to people and become friends with them. Join Galaxity, and enjoy various mini-games and fun videos together!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
36% of 11

Odyssey is a story-driven space adventure for solo and multiplayer. Search for a new home for humanity while protecting your exploration ship. Scientists onboard carry Earth's last hope—its biodiversity. The fate of life itself is in your hands.

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Notes of Soul

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
73% of 14,292

The gleaning club is an immersive game experience hall, where you can participate in the script arranged according to the story by role playing. Or learn folk knowledge and taste strange culture, or realize the sad but warm past of the protagonist of the story.

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