A co-op sci-fi session where friends crew a spaceship together, each taking on roles like piloting, engineering and repairs while exploring space. The pace shifts between calm exploration and tense moments when systems fail and the crew has to fix them fast. Sessions feel like working as a team to keep the ship running and reach the next destination.
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!
92%92% positive of 324,997 reviews7.3KPlaying now: 7,296$13.39
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
87%87% positive of 3,994 reviews17Playing now: 17$4.94
First Class Trouble is a party game where players must work together and against each other to survive a disaster. The goal is to shut down a deadly A.I. Some players are impostors, secretly playing as human-looking killer robots intent on betraying the other players.
78%78% positive of 3,112 reviews44Playing now: 44$14.99
Chart a course in a breathtaking, but fractured world. Explore ancient ruins, master advanced technology, and craft your very own skyship to brave nature’s fury and colossal threats in Lost Skies. Team up with friends or go it alone in this awe-inspiring cooperative survival adventure.
62%62% positive of 2,485 reviews15Playing now: 15$24.99
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
92%92% positive of 9,967 reviews77Playing now: 77$7.99
Ship of Fools is a seafaring cooperative roguelite. Set sail, man the cannons and battle sea monsters through the tempestuous seas of the Archipelago. Are you fool enough to stop the Aquapocalypse?
82%82% positive of 5,096 reviews92Playing now: 92$5.49
An entire Moon to clean. One toothbrush to start. Team up with up to 16 players, collect and sell lunar dust, upgrade your tools, and unlock cleaning vehicles. Turn a ridiculous job into a thriving operation, if your friends actually help.
77%77% positive of 2,918 reviews47.3KPlaying now: 47,256$7.64
WASD : The Adventure of tori is an online co-op game for 2–4 players, where each player can only use their automatically assigned key (W, A, S, or D). Even a small mistake can make the team fail, so talk with your teammates and work together! You’ll learn the rest by crashing into it… a lot.
83%83% positive of 759 reviews6Playing now: 6$3.99
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
85%85% positive of 4,655 reviews21Playing now: 21$15.99
You are lost in the Bermuda Void, where the ocean is endless and dry land precious. Craft your Ship-in-a-Bottle, then experience survival on the high seas. Sail for new land, build camps, hunt for treasures, trade for goods - then defend your ship from dreaded pirates stalking this strange realm!
75%75% positive of 480 reviews8Playing now: 8$24.99
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
73%73% positive of 3,034 reviews129Playing now: 129Free
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
70%70% positive of 567 reviews1Playing now: 1$19.99
An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be...
86%86% positive of 7,559 reviews145Playing now: 145Free
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
91%91% positive of 119,279 reviews1.1KPlaying now: 1,087$29.99
Share a Creative or Survival world in Space Engineers, where your group turns mined resources and block-by-block ideas into ships, bases, and missions.
88%88% positive of 102,789 reviews4.4KPlaying now: 4,445$19.99
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
94%94% positive of 3,551 reviews51Playing now: 51$19.99
Welcome to join the multiplayer social deduction game - Super Sus! Engage in intense gameplay with global players, as you strategize to safeguard your spaceship from the cunning Impostors determined to sabotage the mission and eliminate everyone aboard!
71%71% positive of 3,205 reviews259Playing now: 259Free
Roadside Research is a 1 to 4 player co-op gas station simulator. Except you’re aliens. And undercover. Do very human things like restocking shelves while preparing for the invasion. Just don’t get caught.
85%85% positive of 4,096 reviews87Playing now: 87$14.99
DuneCrawl is an open world action-adventure game, where you take to the sandy seas atop a gigantic crustacean festooned with black powder cannons. Play as a solo Crab Keeper, or with a crew of up to three other friends in local and online coop.
75%75% positive of 581 reviews12Playing now: 12$14.99
In Nemesis: Lockdown, you're part of a team exploring an alien-infested space base. Craft, hide and fight to make it out of its dark, threat-filled corridors. Fulfill your objective even if it means betraying your allies, but remember - this time, you are not the hunter. You are the PREY.
66%66% positive of 739 reviews2Playing now: 2$7.49
While searching for a new home, an unexpected failure in your ship has left you stranded on a planet surprisingly similar to Earth. Discover a vast open world, hunt for food, develop technologies, and build yourself a new home to survive!
75%75% positive of 387 reviews8Playing now: 8$17.99