Top similar games like Astrumis - Survive Together:

Stealth will be your only defense in this 1-4 player Sci-fi horror scenario while you attempt to escape an ever learning AI. Be quiet, stay hidden, and remain calm, or face certain death.

Embark on a chilling sci-fi co-op survival horror in a dystopian future ruled by AI corporations. Navigate through real and digital domains, filled with dark secrets and sinister entities. Utilize stealth, strategy, and teamwork to survive intense, unpredictable challenges. Will you outsmart the AI?

Time For Revenge is a co-op survival horror game for 1-6 player. Get your revenge from the Chef. But be careful, Chef can't see well but he can sense your smell very well. You need to solve the puzzles and complete the tasks to save the children. Escape from the town before Chef gets you.

UFOBIA is a cooperative horror game for 1 to 4 players who need to solve puzzles and face beings from another planet.

As your final hour approaches, a large structure looms up in the distance, towering above the relentless storm. Discover the truth behind this dark castle in a communication-based, cooperative puzzle adventure.

You woke up in a dusty room, in an unknown place, with no memory of how you got here. Your pockets are empty, and there is something outside the door producing frightening sounds.

Ominous is a thriller/horror game for up to 4 players. In this game, you must collaborate with your teammates to face a creature within an indoor setting. What sets Ominous apart is its unique approach to multiplayer, offering a distinct experience compared to many other horror games available.

Species: Unknown is a first-person shooter in co-op set in a horror atmosphere. Sent on a mission aboard a devastated spaceship, you must identify and annihilate a terrifying threat through strategic collaboration with your teammates and the tools at your disposal.

The experiment has failed. The facility that was supposed to control the monster has stopped working, and now your only hope is to escape the facility before the monster hunts you down.

As we explore these frozen wastes, misfortune strikes once again. Through the fierce blizzard, a flare lights the sky, followed by a cry for help over the radio - broken, dying... No one else can come to their rescue. Can we make it back - together?

Oceanfall is an atmospheric 3D survival game that takes place on a mysterious world that has collapsed due to oceanic flooding. Take control of a Wave Runner and descend the watery depths, while uncovering the dark mysteries that exist both above and below the ocean surface.

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse through eerie backrooms levels while avoiding entities and other danger to try and escape. Free content updates with new levels and game modes keep the community rewarded.

GODUMAS is a co-op horror game for 1-4 players. Explore the strange island, solve location based puzzles, run or sneak your way through local inhabitants and find a way to escape… before you are sacrificed.

After exploring the new planet, the space crew became infected with an unknown virus. After a long epidemic, the space station plunged into chaos. Various mutations took place with the crew of the ship, which clouded their minds. Make your way to the rescue shuttle through the mysterious danger.

Boo Men is a 1-4 player online co-op horror game. You and your crew of burglars are tasked with stealing from ghosts. Just remember to stay in the light because you never know what could be lurking in the dark...

A Stealth Extraction Horror where you and your friends traverse infinite timelines, including those of other players, within an unstable time rift. Upgrade your gear and face interdimensional Shape-Shifting terrors to survive. Will you escape the Rift or become its next eternal prisoner?

A realistic third-person horror set in the 1800s. Play as brave children escaping Krampus. Navigate diverse levels, including Krampus' workshop and a haunting Victorian home. Choose to brave the nightmare solo or team up with a friend in online co-op. Run, hide, and find your way to survival

NIKTOPHOBIA - sci-fi horror for 1-4 players. The team arrives at the space station to extract alien bio-samples. Players will use various tools and manipulate the station's energy to get out of trouble together.

Blood Moon Horror is a 1-8 player co-op survival horror game. Survive the nightmare under the alien-infested moon, navigate the abandoned lunar base, evade extraterrestrial predators, and uncover the dark secrets lurking in the shadows.

Damned is a randomized online horror game for up to 5 players (4 survivors and 1 monster). You’ll be able to play as one of four people trapped in different haunted places (hotels, hospitals, etc).

A 1-4 player coop horror experience. Find your way through everchanging environments to gather precious treasures for your kidnappers. The more you gather the longer you will survive.

Unsafe is a co-op horror game. You and your team explore derelict space stations, scavenging for valuable materials to sell to your corporate overlords.

IT Simulator is a co-op horror game where two players attempt to return power to an office building. Take the role of the all-seeing Control Room or the stealthy Repair Technician as you risk everything to d̶i̶s̶c̶o̶v̶e̶r̶ ̶t̶h̶e̶ ̶t̶r̶u̶t̶h̶ escape.

Play an experimental asymmetric co-op multiplayer with your friend! Have one person move through a FPS horror level while the other be the eye in the sky. Can you and your friend communicate well enough to make it through all the difficulty levels?

If you are not careful enough, you may end up in that place, the place some call The Backrooms. The Backrooms of existence, a hellish dimension of infinite maze-like constructs, each level pushing deeper into the despair. Could you, a normal person find the way out? Dive deeper into the horror

You are a Reaper Corp astronaut, thrust from the safety of the corporation's orbiting space station into the heart of a mutating, post-apocalyptic Earth. Your mission is critical: to brave the ruins of a living, hostile world and recover scrap for the Corporation.

Once a mad scientist's lab, now an abandoned manor haunted by miscreations. Work as a 1-4 player team in this online co-op, psychological horror game and discover what lurks within. Find a cure before it's too late...

Arrested and sold at auction, you have been transported to a secret testing facility in deep space. Perform the required tasks while avoiding the abomination lurking within the complex.

Become the ultimate shapeshifting predator in Amorphous, a thrilling, tense 4v1 multiplayer game where you'll stop at nothing to consume everything in your path. But beware, the relentless Cleaners are hot on your trail, armed with powerful gear and a determination to eliminate you at all costs.

Inside us is a cooperative survival horror game for up to 4 players. Plunge into the world of nightmares, gather your friends and find the courage to extract as much Nightmare Essence as possible during this terrifying escape. Remember that not everyone share the same goal.

Disquiet is a multiplayer co-op game (up to 4 players) where you and your friends became ghost hunters.The main goal of each mission is to identify and potentially exterminate the ghost using hunting equipment that is upgradable with experience points.

Horror Squad is a 1-4 player online co-op horror game. Assemble your squad to clear the areas cursed by terrifying creatures.

'The Bunker Complex' is a 2 player co-op horror game. Players fight for survival in an old bunker.

Blue Ridge Hunting is a horror game where you and up to 4 friends investigate, document, and hunt cryptids in the Appalachian Mountains of eastern America. Based on real sightings, phenomena, and legends from the region.

Road To Death is a first person shooter set in a dark demonic world. Test your marksmanship!

Flykt is a 4 player online co-op game which players will try to escape from an abandoned hospital. Players will able to choose to play as teams or as impostors to kill their friends. Flykt environment will be generated procedurally. Be silent, move stealth or get killed.