Games like ZERO PROTOCOL on Steam
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Luto
Luto is a psychological horror experience where you take on the role of someone unable to leave their home. Every attempt to escape will lead you deeper into the unknown, where nothing is as it seems and everything will test your senses.
NaissanceE
NaissanceE is an obscure and magical first person exploration game, a philosophical trip and an artistic experience. The adventure takes place in a primitive mysterious structure and the game mainly consists to explore and feel the deep and strong ambiance of this atemporal world.
The Horrorscope
You will answer a series of questions that will reveal your potential fate. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Horrorscope, and if you do, are you sure you want the answers you seek?
Boogeyman 2
Awoken in the night by your doll. Speaking as if it possesses a mind of its own. The doll warns you of a monster that has come to take you away.
Lust from Beyond: M Edition
Descend into madness in a first-person survival horror inspired by Lovecraft and Giger. Solve the mystery of esoteric cults. Cross the gate to the blasphemous land of Lusst’ghaa. Play the new M-rated cut of the fan-favorite Lust from Beyond.
The Vanishing of Ethan Carter
The Vanishing of Ethan Carter is a first-person story-driven mystery. Purchase this game to get both the original and the Unreal Engine 4 remaster called The Vanishing of Ethan Carter Redux.
Five Nights at Freddy's
Welcome to your new summer job at Freddy Fazbear's Pizza, where kids and parents alike come for entertainment and food! The main attraction is Freddy Fazbear, of course; and his two friends. They are animatronic robots, programmed to please the crowds!
Backrooms Rec.
Dive into the mysteries of the Backrooms with a solo-developed survival game. Explore eerie hallways, uncover secrets alone or in multiplayer (up to 6 players), and take on unique challenges.
BioShock™ 2 Remastered
In BioShock 2, you step into the boots of the most iconic denizen of Rapture, the Big Daddy, as you explore through the decrepit and beautiful fallen city, chasing an unseen foe in search of answers and your own survival.
BioShock® 2
Set approximately 10 years after the events of the original BioShock, the halls of Rapture once again echo with sins of the past. Along the Atlantic coastline, a monster has been snatching little girls and bringing them back to the undersea city of Rapture.
The Novelist
The Novelist asks one central question: can you achieve your dreams without pushing away the people you love? The game focuses on Dan Kaplan, a novelist struggling to write the most important book of his career while trying to be the best husband and father he can be.
Myst
Welcome to Myst: a starkly beautiful island, eerily tinged with mystery and shrouded in intrigue. Built from the ground up to play in 2D & VR, explore Myst in a whole new dimension! Journey to the Ages, unravel puzzles, and be a part of the surrealistic adventure that will become your own.
Dread X Collection 4: The Hunt
A horror anthology shooter in the Dread X Collection series. Co-produced by DUSK creator David Szymanski. Featuring 7 new short games, a robust launcher world set in an abandoned arctic base.
I'm on Observation Duty 5
As an employee of a mysterious organization your job is to monitor live surveillance camera footage and spot anomalies using your sharp eyes and good memory. Can you survive the entire night shift or will you succumb into paranoia?
A Place, Forbidden
A Place, Forbidden is a first-person, lo-fi horror-puzzle game set in the Library of Ouroboros, a seemingly innocuous library that, rumor has it, contains knowledge not meant for the eyes of mortal man. We hope you enjoy your visit.
Stygian: Outer Gods
Dive into a hostile world that challenges your very existence, in this survival horror game with RPG elements. Unravel a thousand-year-old mystery, risk your sanity and face the Outer Gods with your skills. Every bullet and every decision counts now, are you up to the task?
Psych
Experience the story of Alexander Green and find out what happened on the day of the accident in this First Person horror Adventure. Follow the development of Alex, solve puzzles around the event and try not to fall into madness as you search for answers.
Lakeview Cabin 2
The ultimate 2D horror is back! Dive deep into the diverse world of horror movies! Nothing can prepare you for the R-rated challenges you will face!
Lifeless Planet Premier Edition
PREMIER EDITION - While seeking life on a distant planet, an astronaut discovers an abandoned Russian town. He suspects his mission is a hoax until a mysterious young woman saves him from a strange and deadly phenomenon...
The Chant
A single-player, third person horror action-adventure game set on a remote spiritual island retreat. To survive you must craft, fight, and escape the psychedelic horrors set loose when a spiritual ritual goes wrong and awakens a dimension of cosmic terror.