
Last Train Outta' Wormtown
A cartoony western chase where cowboys sprint, climb and blast their way to safety while one player hunts them from beneath the sand.
If the replayable and mysterious rhythm of AVaOut stuck with you, this helps. You will find a few strong contenders among these games. Many of them are fun to share with friends.
Terres is a challenging teamwork and communication based 4-player co-op puzzle adventure game. While inside the trials you can adjust everything from lighting, duration and visibility to enemy behaviour and difficulty. Creating entirely new ways to overcome the challenge. Includes Singleplayer.
Also in Co-op · Mysterious, Tense
Survive in space in a crew up to 8 people. Fly around in your jetpack to scavenge spaceship debris and repay your debt to the Galatic Confederation.
Also in Co-op · Replayable, Chaotic, Tense
Pilot the ship, man the turrets, patch the hull and keep the power on while asteroids, aliens and your friends' mistakes pile up. Chaos, space battles and one very busy spaceship await.
Also in Co-op · Replayable, Chaotic, Tense
Moon Crashers is a 4-player online co-op game. Crash-land on the lunar surface with your squad, drift across craters, scavenge junk & rare minerals, uncover ancient ruins, build your ride, and rocket back home. Think you can make it home?
Also in Co-op · Chaotic, Tense
You work for Kindred Aerospace, proudly the 4th best interstellar exploration company, and your job is to survey the planet ARY-26. Scan absurd wildlife, jump and grapple across a bright alien world, print gear from space trash, and drag a friend along in online co-op. A funny, colorful metroidvania that never takes itself seriously.
Also in Co-op · Mysterious, Chaotic
Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!
Also in Co-op · Mysterious
Two astronauts awaken on an alien planet. With only minutes of oxygen left, they must work together to scale staggering cliffs, study strange lifeforms, and search for a way home in this atmospheric co-op survival adventure.
Also in Co-op · Tense
Pitfall Planet is a couch co-op puzzle-solving adventure game set on a distant planet, where you'll need to use teamwork to complete levels and explore the caverns below! Pitfall Planet will put your friendship to the test; will both of you make it out alive?
Also in Co-op · Chaotic
A co-op horror adventure about hunting cryptids: solve each case, gather clues, then trap the creature responsible and put it on display back at base. Bring up to three friends, ride off on a quad bike, and try not to get thrown off it while something hungry closes in.
Also in Co-op · Mysterious, Chaotic, Tense
You have been made redundant and dumped at the far edge of space. Jump, whip and grapple across four vibrant alien planets, lasso bizarre creatures, scan weird plants and hoard hundreds of secrets, all to get even with the corporation that abandoned you. A funny, colorful action adventure that is best shared on a couch.
Also in Co-op · Mysterious, Chaotic
Go on a Journey to the underground with your buddies! Spelunker, the Weakest Action Hero is now on Steam! Embark on group expeditions in Offline and Online Co-op Multiplay with up to 4 players! Overcome thrilling challenges with Time Attack, Quests and more! Enjoy Spelunker Party together!
Also in Co-op · Replayable, Competitive, Chaotic
Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures. Your job is to complete assignments by gathering scrap for the Association of Scrap Allocation. Work together with your team to complete assignments, earn company Bucks, and survive!
Also in Co-op · Replayable, Mysterious, Chaotic

A cartoony western chase where cowboys sprint, climb and blast their way to safety while one player hunts them from beneath the sand.

Take a colorful mech to a new planet, drill for treasure, upgrade your rig and unwind with friends in online co-op.

Explore colorful alien planets, catch strange creatures and hunt down hundreds of secrets, alone or with a friend on the couch.

Escape the open-world island infested with monster spiders while on duty as a prisoner alone or with your friends.

Turn a barren moon into lush little planets, one tile at a time, solo or with friends.

Sneak through a building that does not want you there, solve what it hides, and get out with whatever the Moon turns out to be.

Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures.

Take a role on a co-op spaceship, from pilot to gunner, and survive fast, chaotic runs through hostile space together.

Track strange creatures through the dark, gather your clues, and trap whatever has been picking people off, ideally before it gets to you first.

Astrumis - Survive Together is an exclusively co-op horror game.

EXOME is a co-op sci-fi survival shooter that blends wave-based survival with open-world exploration.

Drive an RV through offroad chaos with your crew, where every bump and blunder is part of the trip.

Out of the Shadows is a 2–4 player online co-op horror escape game.

DIG Raiders is a co-op game about blasting underground in search of aliens. Deep in debt, you've taken on a mysterious dig site.

Physics-based co-op extraction game for crews of 2-4 players.

Two astronauts awaken on an alien planet. With only minutes of oxygen left, they must work together to scale staggering cliffs, study strange…

Your friends are your only gear! In this chaotic co-op adventure, use your teammates as pickaxes, grapples, and tools to navigate procedurally…

Treasure Hunters: Raid Together is an intense CO-OP treasure-hunting game for up to 4 players, set in mysterious dungeons filled with puzzles…

A co-op survival horror on a destructible, procedurally generated planet.

Drive an RV through offroad chaos with your crew, where every bump and blunder is part of the trip.

Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures.

Team up to shoot gel, swap colors and solve puzzles on a strange planet, best played together.

Astrumis - Survive Together is an exclusively co-op horror game.

Explore colorful alien planets, catch strange creatures and hunt down hundreds of secrets, alone or with a friend on the couch.