Top similar games like Backrooms Mainframe:

A new, immersive Backrooms game featuring many entities and many levels.

Half dead is a multiplayer sci-fi game about a violent TV show. The players' goal is to survive in a network of rooms full of traps.

In Silence is a multiplayer horror game. One player takes on the role of the monster who has hypersensitive hearing abilities and is almost completely blind. The other players(2-6) play as survivors, trying to escape or hunting the monster.

Ghosts prey on the living inside the haunted mansion of a long dead electricity tycoon. Dead Realm is a creepy, multiplayer action game with beautiful, immersive environments. You can play as either a Ghost or a Human character and work with your friends to run, hide, survive… or die.

Welcome to Fynite, a backrooms horror / thriller game. You've noclipped into the backrooms and getting out isn't likely, do you have what it takes?

Slashers is a 1-4 player cooperative horror game, you are explorers of abandoned and seemingly cursed places, your goal is to see what happened there.

An online co-op horror game with 1-4 players. Explore and dig through strange alien fields, face hostile creatures, and harvest cute little beings... all to satisfy the cruel demands of your master.

FRIGHTENED is a cooperative horror and survival game that can be played with 1-4 players. Your goal is to destroy the evil with your team and leave. Collect items in the area with your team, find the demon's weak spot and destroy it! But don't you dare get caught.

The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.

Have fun escaping with your friends through fearful mazes and solve puzzles, avoid traps and don't let darkness find you at every step.

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.

There is reportedly an evil inside that house. Something about an old funeral parlor offering a last chance to talk to their dead loved ones. Plus something about lights, laughter, a girl, missing people, etc... You know the same stuff everyone claims. Take a team, and check the place out.

A 1-4 Player co-op horror where you and your crew must navigate the dangerous country of Valgrind while being hunted by a supernatural being. Embrace the cold or succumb to it.

Go through deadly rooms of multi-storey building. Team up with other players and make your way through traps with a friendly team (CO-OP)! Or take a weapon and kill them all in the PvP game mode!

In the midst of a site-wide containment breach, you must team up with other Class-D personnel to escape the underground, isolated facility while evading the dangerous anomalies that have breached containment.

Enigma of Forest is a 1-4 player co-op ritual horror game. In a cursed village hidden deep within the forest, an ancient evil has awakened. You and your friends must survive the night, uncover the mystery, and complete the ritual to banish the darkness.

A visually lifelike co-op horror for 1-6 people. Journey through 10 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

Goldrot is a first-person mining roguelite set in unstable, procedurally generated gold mines. You and your crew are sent underground to gather as much gold as your packs — and nerves — can handle. Risk everything to bring back the riches you’ve earned… or die and lose it all to the depths.

Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world.

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

A game of survival and betrayal. Eight Explorers path their ship through the unforgiving Arctic. Among the crew, two traitors call on dark powers to undermine them. Note: Official server support ends 2024-01-01

This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

Drawn by whispers of hidden gold, you and your team enter the abandoned island. But the dig awoke something that should have stayed buried. In this 4-player co-op horror, solve puzzles, uncover the truth, and escape with the treasure — or join the others who never left.

“Lost Soul” is a multiplayer horror survival game for 1-4 players. Work together to rescue possessed souls, using your surroundings and strategy to fight and escape. Play cautiously to avoid detection while experiencing fear and excitement. Join with others, scream, and defeat the ominous threat.

Become a member of the highly anticipated sequel of the co-op sci-fi show. Gather a team of four friends. The more partners the more chances to survive. Find your way out in a deadly new room complex filled with even more sophisticated traps.

Corpse City throws you into a relentless fight for survival against endless waves of the undead. Feel the tension rise with every shot, the adrenaline rush as you’re cornered, and the thrill of making it out alive. How long can you survive the nightmare?

"ESCAPE FROM TOILETS" is a coop horror game 1 to 4 players in a session. Go through strange rooms, escape from toilets that want to kill you and other dangers in the form of challenges and puzzles. Realistic graphics, easy controls and creepy atmosphere will immerse you in the game.

Scare or be scared in this FREE adrenaline-pumping multiplayer game full of hijinks and mischief! Set traps, cast spells, and scare the living hell out of your opponent to win!

CoopRooms is a co-op survival horror game for up to 5 players, set in the endless Backrooms. Take photos and videos to progress—and maybe survive. Just don’t scream... the Entities are listening.

Monstrum 2 is a survival horror game for 2-5 players, set inside the procedurally-generated sea labyrinth - Sparrowlock. Join a team of prisoners evading the terrors within whilst figuring out how to escape, or become one of the deadly monstrosities whose only goal is to hunt them down.

Risk your life to save decaying spaceships and their crew from an out of control nanomachine infection, either alone or as a team in co-op in this tense sci-fi horror game.

Ghost Exile - is a cooperative horror from 1 to 4 players: when hunting for ghosts, you need to determine the type of ghost, carry out a ritual of exorcism and then the ghost can no longer harm anyone. Be careful! Hasty conclusions can lead you to a sad outcome.

Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...