Top similar games like Inferno Protocol:

Voidseekers is a 1-4 player co-op horror FPS. Shoot, salvage, and survive as you explore corrupted ships in deep space. Get in, take what you can, and destroy the ship to contain the breach, but beware the horrors that seek in the void.

Backrooms: Liminal Conflict is a PvP game featuring different factions, a complex multi-layered map, and multiple paths to escape.

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!

Transport creatures via a metal cart on wheels with your friends! However, you must use extreme caution during creature transport, or things could go sideways quickly...

A multiplayer adventure set in the depths of space. Unravel mysteries, strategize for survival, and explore the unknown in this captivating cosmic escapade.

Welcome to Nightmare Manor - a terrifying horror game that will take you to an old manor steeped in dark history. In this game, you will feel the cold breath of the past, finding yourself in a place where sinister entities live.

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.

Hunt the chupacabras alone or with your friends, explore the map and find the weapons to kill the monster.

You will play as office worker who was left to finish the job. While working on last documents you starting hearing strange sounds. How could this be? You are pretty sure that you are alone in the office.

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

Respond to lockdown calls. Contain static activity. Coordinate between an on-site Operator and Field Agents to face possibility of a terminal event in this systemic paranormal 3-person co-op.

Pamali: The Vengeful Mother is a 1-4 players online co-op survival horror. Use each character’s unique strengths, strategize with your teammates, do everything you can to save the missing children and escape the abandoned orphanage. Bring your friends!

Project Blind is an online multiplayer thriller, where you must outsmart others to break free from a sinister realm. Compete head-to-head with friends or foes online as you navigate through the shadows and strive to uncover the path to freedom! Talk with your opponents with a proximity chat!

School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.

An online co-op horror game for up to 6 players. Team up with your friends to explore ruins, loot cursed items, hide from monsters and extract safely. Do whatever it takes to meet the Guild’s quota.

Escape together or die alone. In this intense co-op bodycam horror game, you and your team are hunted by a relentless creature. Communicate, stay quiet, and fight to survive. Every move counts. Every sound could be your last.

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.

Moondark is a survival horror hunting game where you're stranded in an open-world forest at night. Scavenge resources, survive wild animal attacks, and hunt the demonic beast stalking you, or become its next victim.

Shadows Peak is an atmospheric, open-world horror game focused on exploration that doesn't hold your hand. You play as a writer who has decided to visit a mysterious place called Shadows Peak to gather materials for a new book about legends.

Survive with your friends in a wasteland devastated by an atomic bomb, explore dangerous areas, and strengthen yourself by collecting and selling valuable loot. Upgrade your gear and your vehicle with the money you earn, and push into farther and deadlier zones. Explore, loot, and survive!

Dive into a spine-tingling and exhilarating multiplayer adventure rooted in Chinese horror folklore. Team up to explore millennia-old ruins filled with lost treasures—but beware! Deadly monsters and mythical creatures lurk in every shadow.

A co-op game about exploring dangerous planets with your teammates, collecting and selling scrap metal to survive from the corporation. Assemble your own robot to help your team in your own way. Never be a “rusty coffin”.

A psychological horror game where a police officer investigates a cold case in a decaying house, uncovering a strange and haunting tape recorder that reveals a terrible secret.

Realistic, hyper-immersive, intense action-adventure horror game. Developed by PlayableGraph as their debut title. This game combines a portable camera perspective with highly detailed environments and immersive sound design to deliver an authentic horror experience.

In Specimen 13 you play as one of five survivors (or a traitor) who find themselves as unwilling subjects in an experiment set on a mysterious island. Alternatively, play as the Specimen and prevent the survivors from escaping through the underground elevator.

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.

Experience Halloween in this 1-4 player co-op game! Traverse eerie haunted attractions, solve puzzles, evade sinister entities as you try to escape together.

A cooperative horror game about working inside the corporation "The Backrooms". Fulfill contracts and also earn extra money by selling stuff.

A co-op Sci-Fi horror game where up to 4 players carry out missions amidst the overwhelming dread of an absolute pursuer. Investigate facilities shrouded in darkness to uncover AI Minerva's rampage, complete your assigned tasks, and find a way to escape.

A new FPS survival horror experience

Experience first-person horror and fight to survive in a chaotic landscape infested with bloodthirsty creatures.

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

UNEASE is a 1 to 4 players co-op survival horror game presenting an array of episodes with innovative mechanics and different settings.

Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...