Top similar games like Pressure Protocol:

Escape.exe is a gripping escape game for 1-4 players, each offering a unique atmosphere, filled with mysteries and threats. Challenges determine intelligence, and decisions determine survival. Prepare for an uninterrupted experience with each new episode.

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).

Explore abandoned locations with 1–4 players. The creature hunts, captures, and imprisons you — your teammates must find you before it's too late. Can you escape together?

In a future where rogue robots control orbital nuclear stations, you’re hired to reclaim energy cells. In this 1 - 4 player horror extraction game you need to complete contracts, evade deadly robots, buy tools to improve your odds, and coordinate with your team to escape alive.

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.

A co-op horror where your voice can get you killed, monsters can break into your hiding spots, and captured players must be rescued before it’s too late.

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

A online co-op horror game where you and up to 3 others are out camping in the woods, enjoying the night when you hear one of you walkies starts buzzing. A distorted emergency broadcast warns campers in the area: something is in the forest and you are not alone.

A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

"Nightmare: Origins" is a multiplayer horror game for four players that immerses you in a nightmarish world between the realm of the dead and the realm of the living.Do you dare to face your fears and unravel the mysteries of Nightmare: Origins?

𝘚𝘵𝘢𝘺 𝘲𝘶𝘪𝘦𝘵. 𝘚𝘵𝘢𝘺 𝘩𝘪𝘥𝘥𝘦𝘯. 𝘞𝘢𝘵𝘤𝘩 𝘺𝘰𝘶𝘳 𝘴𝘵𝘦𝘱𝘴. 𝘐𝘧 𝘺𝘰𝘶 𝘥𝘰𝘯'𝘵, 𝘙𝘶𝘯. Play as Abigail in her quest to find her grandmother in a cursed forest. Use your spellcasting abilities to hide from various dangers. Will you survive the night?

7Years offers an open-world horror experience with multiple game modes, including single player, multiplayer coop and multiplayer PvP. And, with randomized spawns of unique enemies, mini-games, items, portals, puzzles, achievements, player weapons, and a feline protector, each round is different. 

SCP: Containment Chaos is a co-op horror survival game for 1-4 players. Become SCP Foundation agents tasked with containing and researching anomalous entities in parallel universes. Solve a variety of unique tasks tailored to each SCP, all while striving to maintain order in the unimaginable chaos.

Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!

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.

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.

In this multiplayer survival, horror, and deduction game, eight streamers enter a mysterious old building, planning to get famous via a livestream, but two of them become possessed by evil spirits. They will kill their companions and sacrifice them at the altar to complete a sinister ritual.

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.

Carnival Hunt is an asymmetric multiplayer horror game set inside a living, ever-shifting mechanical carnival designed by the Puppetmaster. One player becomes the Carnival Monster, while others play as puppet Bunnies struggling to survive, ascend, and escape the hunt.

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.

"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.

Outlive is an intense game of survival! Run, hide and outsmart mutants in a post-apocalyptic world. No fighting allowed, only puzzles to solve. Created by an indie studio founded by a father and son.

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.

A 1-4 player co-op Christmas horror game. You have 3 days to deliver the presents and save Christmas, or die trying.

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

Explore the surreal dreamworld of the in:Between, face grotesque Atrocities, and rescue lost Hollows in this bizarre blend of cozy and horror. Play solo or with friends in this co-op survival horror, where twisted terrors and unpredictable gameplay keep you on your toes.

Fix a failing reactor with your team… or make everything worse. Every system is connected. Every mistake has consequences. And not everyone can survive.

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.

A 1–4 player cooperative horror game set in an abandoned hospital in Japan. Work together with your friends, collect boxes containing organs, and escape from the hospital where something lurks!

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.

"The Backrooms: Last Expedition" is a cooperative horror game designed for 1 to 4 players. Its main objective is to create an enjoyable gaming experience for friends. Players will navigate through terrifying levels, filled with various entities and dangers, as they strive to escape.

Escape The Ayurok is a first person horror-adventure videogame, in which you need to escape from a haunted mansion as quiet as possible, to evade the hideous creature called "The Ayurok". Stealth Mode will be your ally!

Backrooms #999999999 is a singleplayer/4 player co-op horror exploration game. Unlock the puzzles, survive the entities, escape the deadly geometry and try to reach the final level in one piece. Good luck, wanderer!

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.

DEVOUR is a co-op horror survival game for 1-4 players. Stop possessed cultists before they drag you to hell. Run. Scream. Hide. Just don't get caught.

An online co-op horror game where you pacify, weaken and capture supernatural creatures for PAH Inc. Each level has a different story, unique monsters, and multiple endings. Play single player or together with up to 6 friends. Includes proximity voice chat with fun effects.