Online co-op Early Access games

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

Showing 11–20 of 804 games matching Early Access · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

A voxel tower defense where every defender is a little soldier, not a turret. March through a 20-map campaign, rank eight defenders from militia to legends, and hold every road to the Queen — alone or in endless co-op. Battle your friends in an army style match.

$
Released
Price
$ · Cheap
Players
👥 2–4 players

The Drawn Hour is a haunted-terminal card roguelike. Dial into a cursed dial-up BBS as one of three operators, build a deck, and claw through three corrupted sectors. Manage your rising Corruption, hunt relics, and face what waits at the drawn hour — alone, or in 2–4 player online co-op.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
0% of 4

Command armor, infantry, artillery, aircraft, drones and naval forces in a modern real-time wargame. Build your army, scout enemy positions and capture objectives. Play solo against AI or online with other commanders, with eight nations and distinct equipment rosters.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
72% of 50

FrontWars is a free-to-play multiplayer strategy game where hundreds of players battle for global domination! Build alliances, command armies, grow your economy, and unleash nuclear strikes to wipe your rivals off the map. No pay-to-win: only the strongest will rule the world.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Looking for a place to unwind with others? A social game where you sit with friends at a private fishing spot - chatting, decorating your space, and capturing memories together. Keep it running and stay a while in your own little retreat.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
88% of 96

Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it. Play solo or in online co-op.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

A multiplayer backrooms extraction game up to 4 players where you manage your own base and enter open, non-linear levels to complete objectives, explore unknown environments, and gather resources and items needed to survive.

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
91% of 24

A 2D pixel-art ghost hunting horror game, solo or in online co-op for up to 4 players. As a hunter for a mysterious corporation, you collect and analyze cursed artifacts to identify the ghost before its anger turns into a deadly hunt.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

SlimeBusters — multiplayer game about the showdown between hunters and slimes. Become a slime, blend into the crowd, locate specific abduction targets, and escape the planet. Or go on the hunt: track down suspicious characters, locate, and neutralize aliens before they can escape.

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Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
100% of 3

From the creators of Job Simulator comes an all new Omni-versal hand tracked cooperative multiplayer game: Dimensional Double Shift! Join up to four players as you cook, fix, refuel, shred, smash, and torch. The balance of floating roadside convenience rests in you and your friends’ hands!

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