Top similar games like Protocol:
Protocol $8.99
By signing below, you agree to follow the Protocol. Protocol is a program of strict rules created to make first contact with an alien life form that got shot down in the Arctic Circle.
Filters
Price (USD)
Release Date
Recommendations
Exogenesis ~Perils of Rebirth~$29.99
After losing his sister to a violent death, former treasure hunter Yu Sayashi learns about a mysterious relic that may bring her back. However, this mythical "Ark" may be more terrifying than he could ever imagine. Innocent lives are at stake. How far will he go to save his sister?
Faraday Protocol$19.99
Faraday Protocol is a first person puzzle game that will test your wits and intelligence. Use the Bia-Tool, an ancient pistol-like relic of an alien civilization, to solve puzzles by bending energy and manipulating enigmatic machinery.
TARTARUS$19.99
Can the cook save the ship?
The Nightmare Catcher$8.99
The Nightmare Catcher is a Sci-fi FPS exploration game, created by the solo developer XAEON GAMES, use an arsenal of weapons ranged, melee, grenades, magic abilities from the Aztec gods, unleash the power of magic and technology to craft items and discover new unique skills for your quest.
Ariel$5.99
Intense survival experience based on a Sci-Fi, space terror script. Unravel the story of Ferdinand Ludec as he attempts to escape his fortune. Partially procedural world along with different endings to the story. Hunger, avoiding insanity and extreme weather will only be some of the threats to face.
Spirits of Xanadu$4.99
At the farthest edge of the explored universe, the research ship Xanadu slumbers in orbit around a mysterious planet. Her systems remain active but there has been no message from her crew for months. Now a lone operative has been sent to wake the Xanadu and bring her home to Earth.
Project SphinxFREE
In this first-person puzzle-solving game, you're a robot with a mission on a space station. And like any great robot, you're going to have to explore, teleport and ricochet your way around the base, in which each room and corridor is a puzzle to solve.
HEVN$9.99
A desperate celestial mining engineer races against a vengeful hacker to save his friend, the only one who knows the way home. Survive the harsh conditions of a world riddled in conflict and uncover deep secrets best left buried light-years from Earth.
Vapour$5.99
WARNING! This game has an Age Restriction of 18. Vapour is an experimental horror game, that fuses elements of both old school and modern horror titles with the frantic game play of classic First Person Shooter titles. Blending horror, shooter, action, puzzle and platformer in a dynamic yet cohesive combination.
Ghostship Chronicles$24.99
Prepare to board the Heckel and Thomas as a Black ops CDF detachment who were sent to investigate the disappearance of the long lost colonization ship. Keep your team teammates alive to evolve more stories and stand a chance of survival with 3 different endings.
Horror Loop$1.99
Horror Loop, made with a new generation game engine with a deep, impressive and original story, is waiting for you!
Jorogumo's Cradle$2.99
Jorogumo’s Cradle is a short first person horror game. You are stuck in the woods with a monster that attacks you during the night. Explore the area, build tools to fend off incoming attacks, and most importantly, survive until the very end.
My Bones$0.99
It is a short but very interesting horror,about a man who woke up in his own grave,next to his family.
Building 847$4.99
New Mexico, 1986. You're a private detective, investigating a bizarre incident that occurred inside a building in a small town. Find clues, visualize past events and learn about this alternate-reality.
They That FeastFREE
They That Feast is a cosmic / Lovecraftian horror game in which your enemies can't simply be observed by the naked eye. Can you walk the line between sanity and survival?
Cold Cable: Lifeshift$0.99
Take role as a survivor in COLD CABLE: LIFESHIFT, a 3D First Person action-puzzle game, with survival elements, where you have to gather supplies, control radiation level and shoot monsters on your way to reach the next level. If you want to play this game, get ready for the chaos.
Remorse: The List$14.99
Remorse: The List is a classic survival horror game where the player must figure out what is happening in the little hungarian town of Hidegpuszta, and your only clue is a list that doesn't make much sense. Exploring will be the key to unveiling its secrets and get out of there alive.
MADiSON$34.99
MADiSON is a first person psychological horror game that delivers an immersive and terrifying experience. With the help of an instant camera, connect the human world with the beyond, take pictures and develop them by yourself. Solve puzzles, explore your surroundings and most importantly, survive.
Dude Simulator$4.99
Dude Simulator is an open world sandbox game. This is a life simulator. The main objective is to enjoy what you are doing.
How To Be A Real Dude$4.99
How To Be A Real Dude is an open world sandbox game. This is a life simulator. The main objective is to enjoy what you are doing. You can do whatever you want.
The Story of Henry Bishop$5.99
The story of Henry Bishop is a first-person psychological thriller, where the player will have to fight, guess riddles, immerse into a mystical plot and an incredible story.
Apotheorasis • Lab of the Blind Gods$9.99
An FPS with ZERO graphics!? Yes, you heard right ! Run • Blast • Escape • Survive, through sound alone, as you challenge your makers and unravel the mysteries of your existence. You may be blind, but you're far from helpless !
The Unfamiliar Story of Grandfather's Heritage$0.99
Returning to her grandfather's house years later, a woman finds herself in an adventure with ghosts from her past as the only way to uncover a terrifying truth.
Escape the Ayuwoki$10.99
Escape The Ayuwoki 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 Ayuwoki". Stealth Mode will be your ally!
Overloop$11.99
A puzzle-platformer set in a dystopian world where the invention of a cloning device has messed things up, big time. Armed with a clone gun and a mighty fine mustache, the chore of saving THE WHOLE OF CIVILIZATION rests on your shoulders. Don’t blow it.
Motherland$2.99
Motherland (A sad fairytale for adults) is an indie-game that allows you to immerse in the atmosphere of a provincial town during the epidemic.
Cybernetic Fault$19.99
Prove your ability to read names next to the big red buttons! Show your ability to fight for life in a science center that is falling apart from the consequences of an insane scientific experiment!
The Stanley Parable$14.99
The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.
THE MULLER-POWELL PRINCIPLE$14.99
Welcome to a breathtaking storyline full of portals, solving puzzles with an energy-absorbing weapon, and other adventures in a sci-fi atmosphere! Can you travel through parallel dimensions and uncover the secrets of your past?
POSTAL 2$9.99
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
SOMA$29.99
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
Corridor: Amount of Fear$3.99
Corridor: Amount of Fear is a psychological horror for one person. Prepare for the wildest adventure ever. And remember... No one will help you.
ZAAM$4.99
Step into ZAAM's surreal world, a bone-chilling psychological thriller that will leave you questioning your sanity. Unravel a complex story in search of a missing daughter, with choices determining her fate. A must-play for fans of the genre.
Rodina$14.99
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Visceral Cubes$0.99
After losing contact with a space station on mars, you are sent to retrieve a high value item for the company. It didn’t take very long for our protagonist to find out that something went very very wrong in this place. Use stealth to get past your enemies or run for your life hoping that they don't catch up and explode in your face.
IHAS$9.99
Find yourself aboard a giant spaceship in IHAS, a gripping Sci-Fi adventure handcrafted by a solo Ukrainian developer. Experience intense FPS action, mind-bending puzzles, and epic boss battles.
Sinister Halloween$7.99
Experience Halloween Horror in PC or VR. You go out with your friends, trick or treating, entering haunted attractions, as you make your way to the big party, but this year's holiday of the afterlife brings something sinister.
STARBO - The Story of Leo Cornell$5.99
STARBO tells you the story of a dead man's journey through a mysteriously blue world filled with strange messages and beings all trying to tell you a story, the story of Leo Cornell.
Geeksos$3.99
Survive in a city controlled by a game corporation. Residents have to buy DLC for every unfinished product, developers are forced to make endless sequels, and lootboxes are now sold even at the grocery store. Stop the madness or join it in the cybernetic stealth-shooter Geeksos.
FORECLOSED$16.99
FORECLOSED is a narrative-driven action-adventure set in a Cyberpunk world filled with action, suspense, and experimental augmentations. Follow the story of Evan Kapnos in this sleek comic book styled game as he unravels the conspiracy behind his identity foreclosure. Who is responsible and why?
The Repairing Mantis$5.99
The Repairing Mantis is a narrative horror game that lets you experience the disturbing, violent (yet absurdly poetic) story of a mantis on a mission to repair a bridge made of flying squirrel flesh.
Within Skerry$4.99
The Accumulation of Evil is an ancient book stating that if enough evil energy is concentrated in a single area, a dark force may be born.Humans can sometimes be very horrible creatures - but sometimes, it is taken a bit too far.
Inside Depth 6$4.99
There are 6 depths to descend; the further you go, the more terror you will experience. Uncover mysteries, solve puzzles, and immerse yourself in a dark storyline that Inside Depth 6 has to offer. Journey through all 6 depths to uncover the secrets buried within.
Terror In The Atomic Desert$2.99
Terror In The Atomic desert is a first person horror puzzle game made as a homage to 1960s B-movies.
QuietMansion2$3.99
【Can you live with this fear?】 A horror game developed by a Japanese high school student all by himself is coming to Steam! Escape the monster's pursuit in the creepy mansion, sometimes using weapons to fight back and find the key to escape!
Euphoria: Supreme Mechanics$14.99
The ability to discern hidden connections is both a gift and a curse. The covert mechanisms of reality do not reveal themselves to any and all, and there is a price to pay for this knowledge…
American Arcadia$19.99
American Arcadia is a cinematic puzzle game that combines a 2.5D platformer and first-person game to tell the tale of a thrilling escape. Experience the extraordinary story of Trevor, an average man escaping from the world's most popular reality tv show.
Loopmancer$24.99
Loopmancer is a 3D platformer roguelite action game with realistic graphics that takes place in a cyberpunk universe. Players play as a detective who comes back to life after an unexpected death, and battle in this lifelike and futuristic city of the east.
HELLSEED: All Chapters$19.99
HELLSEED is a first-person horror adventure that combines puzzles, action, and a chilling narrative. In a dark world full of supernatural threats, you’ll need to solve complex puzzles and manage your sanity. This isn’t just a fight for survival—it's a journey into the depths of terror.
Witching Tower VR$19.99
The Witching Tower is a VR Action Adventure title set in a dark fantasy world. Fight and puzzle your way through a foreboding fortress tower, unraveling each level’s mysteries. An unparalleled experience with breathtaking visuals and environments.
The Talos Principle$29.99
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).