Top similar games like Spectral Protocol:

"Bureau of Contacts" - ghost-hunting game for 1-4 players, in which you'll encounter 2 enemies at once - location itself and the ghosts with most human-like intelligence ever. So...look around and watch what you say!

Another One — a 1–8 player co-op extraction horror with shooter elements. Dive into procedurally generated worlds full of random events and high-stakes challenges. Build your loadout and uncover the mystery before reality falls apart…

Liminalphobia is a 1-4 player online co-op horror game set in The Backrooms. A man named James is lost, leaving behind notes as the only guide to finding him. Explore the liminal levels, manage your resources, solve puzzles and avoid the entities throughout the levels.

PANICORE is a survival horror game that mixes permadeath, AI monsters and a co-op experience up to 5 players (4 players in demo). Try to escape and don't get caught, but beware: they don't only hear your steps, but also your voice.

A slightly different Backrooms is a Coop or Singleplayer Horror Puzzle Game. Encounter different Monsters and Levels than in the other Backrooms, but brace yourself for the same bone-chilling atmosphere like the typical ones.

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

"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.

Zort is an action, adventure, and horror game that can be played with up to 4 people. Explore maps with your friends and have fun while escaping from various creatures. Experience a realistic horror experience with in-game voice chat with your friends!

An online co-op horror game where you and your crew form strategies to hunt invading Abnormal Entities inside a massive armored WALKER. Use your environment, items, or whatever is at your disposal to protect your WALKER.

Escape the terror lurking in the darkness in this immersive co-op experience. Solve challenges and work as a team using your main tool: your voice. Beware of lurking monsters, which might be closer than you expect.

BACKROOMS INVASION is an exciting horror game that will give you a unique experience. Prepare for a challenge that will test your teamwork, wits and endurance! Multiplayer for up to 8 people!

Play solo or online co-op with up to 4 players. Descend into monster-infested caves with your crew, gathering resources while evading terrifying creatures. Gear up between expeditions as you drill deeper into increasingly dangerous depths.

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.

FOREWARNED is a 1-4 player co-op survival horror. Delve deep into ancient Egyptian ruins with your team of fellow archaeologists. Investigate phenomena, collect treasure, discover lore, survive danger, and banish the evil that lurks within.

NOROI KAGO: the Grudged Domain is a four-player co-op survival horror game based on "Yokai", supernatural beings from Japanese folklore. Trapped in a cursed domain, you and your companions must work together to endure the curse and find a way to escape, all the while hiding from the roaming yokai.

FURRY BACKROOMS is a cooperative game for a group of 1-8 players that combines the best ideas from the BACKROOMS and FURRY universes. Single mode is also available. You have to survive and find a way out before the FURRY catches up with you. Updates and various interesting things await you...

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

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.

A visually lifelike co-op horror for 1-6 people. Journey through 9 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

A Co-op 1-4 player horror survival which will have you searching for clues, items, aiming to solve the mystery of Arcanum whilst running for your life... Discover what happened to the previous residents and escape whilst you can..

"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.

The Umbridge Estate is a 1-4 Player Co-Op Survival Horror Game like no other. Solve the riddles of the maze, read the notes of the people who came before you but most importantly… survive the horrors within.

Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.

"SKIBIDI: ESCAPE FROM TOILETS" is a cooperative horror game for 1-4 players. TV MANs are trying to get through creepy and atmospheric locations that are filled with dangerous SKIBIDI - they want to kill you! Free content updates with new levels and game modes - YES YES YES!

A co-op survival horror game where you and your closest friends must work together to survive in an upside down world crawling with the infected.

Backrooms: Extractions is a 1-6 player co-op horror game set in 2062. As a MEG operative, enter the Backrooms to locate and extract lost agents while evading lurking entities. Use advanced tools, solve tense puzzles, and survive eerie environments. Stay alert: every sound could be your last!

BLACK SITE is a 1-4 player co-op horror game. Explore the levels with your partner to gather info about some government experiments, while trying to communicate with your partner without being too loud. Free monthly content updates with new levels.

Skibidi Gyatrooms is a 1-4 player co-op horror game. You and the homies just fell into the Backrooms, you must out-GYAT the Skibidi Toilet with max rizz or get flushed. Expect cursed levels, and brainrot that’ll keep you on edge.

Not Deat Yet is a 1-4 player co-op, fast-paced, rogue-lite FPS, with elements of deck-building and strategy that will test your skills in creating your own build while having to manage your resources and survive restless waves of zombies.

You are a Bigfoot hunter with an important mission: to put an end to rumours once and for all and prove to yourself that Bigfoot is not just a myth or an invention of the mind...

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...

Hide and escape from demonic dolls in an abandoned hospital building. Demon dolls will seek out and chase the player. The only way to escape is to complete the ritual successfully. A small doll wanders around the hospital. Catch them and offer them to your ritual.

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.

A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.

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

Core Containment is a cooperative game set in the Nova-6 nuclear power plant. Team up to prevent a meltdown while dealing with a hidden saboteur in Standard Mode. In Abandoned Mode, restore the desolate plant and tackle new challenges. Trust and strategy are crucial for survival.