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 31–40 of 804 games matching Early Access · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 3 players
Reviews
86% of 82

Hold the line or everything falls. Wavecrashers is a 3-player co-op strategy game where heroes defend against relentless waves of enemies. Build powerful synergies, push your limits, and survive the chaos. Play solo with bots or team up with friends. Every run is a fight to endure the storm.

$
Released
Price
$ · Cheap
Players
👥 Not stated

Build a spaceship, climb into the cockpit, and take your own design into battle. BuildPort Xumia is a VR building and combat sandbox with custom ships and handheld weapons, PvP duels, co-op wave defense, and cross-play.

If you loved these, you'll love this

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

The Kingdom of Valoria is in grave danger - The King has sent his most trusted Alchemist to help fight off the monster hordes near the town of Elyzium. Fight monsters, craft potions, cast spells and live the life of a powerful sorcerer fighting to repel the monsters from the defenseless town... 

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
64% of 2,029

Build your maritime career solo or with up to 4 players. Take on contracts across diverse harbors, command different ships, and tackle cargo runs, patrols, rescues, firefighting, and unexpected events in a vast Northern European open world.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated

Drag rusted wrecks from the scrapyard and rebuild them from scratch, one part at a time. A raw open-world driving life-sim — fix your car, fuel it, and hit the road. Race for cash, explore a living forest town, and survive the grind. Drive. Don't stop. Co-op multiplayer with friends

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

The demon army is coming, but your allies are busy watching stock charts. Defend, manage resources, and survive this comedic fantasy defense game without carrying the whole team alone.

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RIP

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
42% of 14

RIP is an all-out war simulation on the ground, in the air or at sea. With 4 different Soldier classes and their specific weapons in many different scenario maps from the middle eastern desert to a well-isolated bunker construction, you can fight as your heart desires and let the enemy bleed out in the dust.

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

A roguelite tower defense where every tower is a card you keep all run, and a duplicate levels it up on the spot. Chain elemental reactions, find relics that change your plans, and face 12 bosses with their own mechanics on procedural voxel battlefields. Solo or 2-4 player online and LAN co-op.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
100% of 1

SOMNIUS is a chaotic co-op extraction game for up to 6 players. Dive into collapsing dreams, turn anything into ammo, feed the portal to buy more time, and save the Dreamer before the dream burns away.

If you loved these, you'll love this