Top similar games like Inferno Protocol:

Co-op first-person horror for 1–4 players. You and your friends are trapped in endless liminal backrooms where nothing makes sense. Explore, find keys and almond water, and work together to evade unstoppable monsters and escape.

A co-op horror game for up to 4 players where you explore Backrooms-inspired levels, solve puzzles, find exits, and survive entities with different rules.

In this 4-player online co-op horror game, you embark on an adventure by summoning a mysterious train. You must find and defuse bombs in an 8-carriage train. However, beware, there's a blind conductor and dangerous creatures chasing you. Race against time, find the bombs, and survive!

Survive alongside your companions in the outskirts of a town after a supernatural experimental accident. Gather survival resources, upgrade your vehicles and mobile fortress, and explore unknown areas to gradually uncover the truth behind the experiment…

Unhuman Nightmare is a 4 player online co-op game where a team of thieves want to steal items from haunted places. What they don't know is that the places are full of traps set by ghosts. Chances are, they'll not escape alive...

Cooperative survival and horror genre. You and your family have returned to your native land, on which a terrible curse and darkness has fallen. Will you be able to survive in a harsh and dangerous environment and stop the evil? It depends only on you, on your skills and ability to help each other.

Placefall is a first-person horror game set across different locations. Explore, collect items, solve puzzles, hide from creatures that react to your sound, and uncover the truth behind your missing sister.

BTGZ:FC is a sci-fi horror game where you control an RC drone to explore a dangerous new dimension. Navigate a vast network of tunnels and Survive hostile entities and anomalies using specialized tools and devices built specifically for the drone, and rely on transmitter antennas to travel.

PYRMD, a multiplayer horror game that takes place in an Egyptian pyramid, is played with five players: one mummy and four survivors. Survivors must find the lost tablets and reach the door before getting caught. Alternatively, the Mummy must catch all of the intruders. Only the brave will survive…

A co-op zombie horde shooter set in a West Yorkshire town gone very, very wrong. Fight off waves of the undead, collect coins, buy bigger weapons, and uncover the dark secret rotting at the heart of Brumley. Up to 8 players. No survivors expected.

"Scary Mine" is an immersive virtual reality horror game that plunges players into the eerie confines of an abandoned mine. With realistic graphics, spine-chilling sound effects, and split-second decision-making, players will unravel the unknown horrors lurking in the darkness.

Faustian Bargain, first-person horror game that brings a new and different twist to the thriller and survival-horror genres. After the Ouija sessions, immerse yourself in the tragedies of the victims and a story between reality and the supernatural. Play a hero whose life is between dark and light.

Trapped in a dark mansion, you must escape a violent hunter, his deadly traps, and the mutant creatures inside the mansion. Explore, loot supplies, craft weapons, hide, and fight your way out alone or with friends.

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.

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.

A zombie ponies game where you have to survive with a shotgun.

A co-op horror about rescue missions after doomsday. You are paid to bring the lost home. Not all of you will come back.

Co-op horror where the Station watches you. Complete missions, scavenge loot, and upgrade your gear across deadly runs. The Station Director learns your squad's habits, your fears, your greed, your routines, and adapts every run to break them

Tower Inc. is a survival horror of shifting floors, monsters, and betrayal. Collect quotas as fuel to keep the elevator running — without them, you won’t survive the climb. Work with your team… or leave them behind.

The Shadow: L.O.A.P is a 4-player multiplayer horror game. Four strangers, each battling a deadly illness, find themselves trapped in an abandoned metro line. Their only hope is an old train that loses power at every station.

A co-op survival horror game set in a dystopian syndicate facility. Become one of the SUBJECTS that being tested with countless challenges, missions and difficulties. Up to 4 players.

A co-op Expedition Survival game set in an open-world Backrooms universe. Expand your base, prepare expeditions, uncover the story, gather resources, and make it home alive - one bad decision can cost you everything.

Escape together or die alone. A relentless creature is hunting you in this intense co-op bodycam horror experience. Communicate. Stay quiet. Survive. Every move matters. Every sound could be your last. Made by one developer.

Online co-op horror for 1-4 players. Mine nearby asteroids for gems to pay for your company's new spaceship. Time your orbits, day-trade the minerals market, and avoid deadly monsters at night.

Nocturnal Terror is a first-person survival horror experience where survival depends on what you cling to and what you let decay. Explore a world consumed by creeping corruption, manage scarce resources, and face the unknown beneath the palace.

A young reporter investigates disturbing legends born of the Italian Internet. Brain rot-do they really exist? Discover the truth, photograph the entities and collect the figurines before the moon turns red. A psychological horror between folklore and madness.

A 1–6 player co-op survival logistics game where a routine delivery traps your crew inside the Backrooms. Scavenge, recycle, deliver cargo, manage a shared budget, and survive 49 days to earn your freedom.

Descend the dangerous depths of Mindaro, a 1-6 player co-op action-horror game. Navigate caves, biomes, and industrial ruins while scavenging for survival and uncovering hidden secrets.

DOLLS THE HUNT is a cooperative multiplayer game for up to 4 players. Trapped in a strange world of dolls, contestants must face deadly challenges and fight for survival in a reality show with no escape.

Stranded on an island crawling with terrifying creatures, you must survive, build, and uncover its dark secrets. Escape or be one of them with lost dream.

As part of the Cleanup Crew for The <REDACTED> Company, you are designated to go in after we have detected an entrant dying to an Anomaly and retrieve vital components for us. Pair up to 4 players to form a Crew and get to cleaning.

Backrooms Game Creator lets you build and explore your own liminal horror worlds. Design levels, customize enemies, lighting, and items, and create unique experiences—from quiet, eerie spaces to intense survival scenarios.

Explore an abandoned research facility, uncover evidence of horrific experiments, and escape alive. Complete randomized objectives with your team while evading bio-engineered threats in this atmospheric co-op horror experience.

Explore, fight, and survive as an awakened sleeper, in a fallen utopian city ravaged by a horrific disease. With an array of hi-tech weapons, highly immersive UI, full-body awareness, and much more, P.A.M.E.L.A. delivers an intense and unforgiving survival experience.