Top similar games like THE MULLER-POWELL PRINCIPLE: Foreword:
THE MULLER-POWELL PRINCIPLE: Foreword FREE
This prologue was created to present an overall concept of the main game through a pair of gameplay hours to introduce you to some of the game’s mechanics, creatures, and ideas.
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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?

The Voyager$4.99
After working all your life you have finally managed to build a device that allows you to travel between parallel worlds. will you be able to return home?

Irritated Mind: Fear of Warehouse$10.99
After a tragic event, moving to a new city leads you to work in a dark warehouse. Unravel the mysteries surrounding the protagonist's past and survive through 5 shifts, avoiding ruthless enemies, where a convoluted story unfolds in the style of retro-stylized graphics.

Project N3TFREE
Take control of a test subject tasked with testing out a new device that functions as a powerful magnet. Complete a few tests by moving metal objects and using the magnet as a grappling hook in this short single-player experience.

Bunker 21 Extended Edition$7.99
"Bunker 21" is a story-driven first-person action game in a post-apocalyptic world. You are the last survivor. Explore the secrets of Bunker 21. Fight against monsters. Find answers in a devastated world.

Vessel BlueFREE
Solve text-based puzzles by interacting with a computer you've found and uncover Vessel Blue's secrets. You are bound to your chair, so defending yourself against unwanted guests is difficult.

On The BrinkFREE
Use Capri's gravity manipulation to slingshot across the universe as she embarks on a mission to liberate a forgotten dimension from the clutches of an all-powerful being. Solve puzzles, uncover mysteries, and shatter space-time itself in this snappy sci-fi action platformer.

Santo Island Incident$0.99
MYSTERY - EXPLORING - PUZZLE - Overgrowth took over the whole Santo Island and facility as a result of an unknown incident. Your mission is to find out the source of the incident and solve what's happened at Santo Island.

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.

DzombZ$12.99
Survive or die ! Experience survival horror full of puzzles while escaping between the streets of Algeria after zombies invasion . Suffer to protect your life in situations never attempt them before with first person perspective and powerful actions that make it more realistic then ever

Ominous$4.99
Ominous is a thriller/horror game for up to 4 players. In this game, you must collaborate with your teammates to face a creature within an indoor setting. What sets Ominous apart is its unique approach to multiplayer, offering a distinct experience compared to many other horror games available.

Delta Manifold$3.99
Explore a strange interconnected world, find weapons to shoot those that stand in your way, and discover hidden upgrades and abilities to discover even greater secrets in an action adventure first person metroidvania.

We Were Here Together$12.99
As we explore these frozen wastes, misfortune strikes once again. Through the fierce blizzard, a flare lights the sky, followed by a cry for help over the radio - broken, dying... No one else can come to their rescue. Can we make it back - together?

SparkFREE
You are Spark, an animated and bright bundle of energy. Through exploring an electronic maze in the depths of a computer, you come to understand your purpose in life of bringing connection, vitality, and exuberance to those around you. Spark: Virtue Through Voltage.

DESORDRE : A Puzzle Game Adventure$6.99
Immerse yourself in the multidimensional universe of Desordre. Solve intricate puzzles, push the boundaries of 4-dimensional thinking. Get ready for a unique experience where reflection takes on a whole new dimension. Created by one-man development studio SHK Interactive using Unreal Engine.

EverlifeFREE
Everlife is a fast-paced maze game where you use mystical abilities to collect stars from several unique environments and escape them without being killed.

Gravia$19.99
Gravia is a gravity-themed action/puzzle game where you create small "black holes" called Rifts. You'll use this power to destroy obstacles, solve puzzles, move yourself at high speeds, and hopefully not destroy yourself in the process.

Office No.41: Prototype Edition$2.99
A prototype version of upcoming horror game "Office No.41". James Loderick goes to closed specialized music school '' Lim Donna '', in which he studied to find and take something that could make his dream come true. But right after he comes to school, he realizes that something is not alright.

Greyhill Incident$24.99
This story-driven Survival-Horror game is about a classic Alien-Invasion which takes place during the early 90s. As Ryan Baker, equipped with a baseball bat and a few bullets in his revolver, the story takes you across the atmospheric neighborhood of Greyhill which is invaded by UFOs & Grey Aliens.

Fobia - St. Dinfna Hotel$29.99
Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans.

The Ball$9.99
As a swashbuckling archaeologist, unlock the mystery of the ancient ruins that have been hidden for centuries and discover a mysterious artifact, a gold and metal shelled Ball.

Invertigo$14.99
INVERTIGO is a first-person sci-fi puzzle-platformer where you have to manipulate gravity to solve puzzles. Explore the abandoned facility and make use of gravity manipulation to advance through the rooms.

Don't Shout Together$4.99
If you scream, you and your entire team will die. You need to leave the dangerous forest before the timer runs out by either assembling a car or calling the police. If the set time expires, the entire team will perish. Time progresses when you move. Don't make the team wait for you!

Earth Analog$24.99
In this space flight adventure game you take control of exploration vessel Eurisko XI on a quest through deep space. Visit fascinating fractal-based exoplanets and solve their mysteries. Fly through dangerous landscapes. Collect artifacts to unlock new pathways. Your goal: find our new home.

BorderMind$1.99
A retro horror FPS that takes the player to an intermediary world between the material and the spiritual. With a compelling story, jump scares, and a very dark atmosphere, this game blends classic FPS and horror elements with a spiritual and scientific storyline.

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.

Galactic Sanctuaries$3.99
Protect the lighthouse, destroy nests and complete tasks.

Failed Trust$1.99
In "Failed Trust", you explore a mysterious technical center where you are sent to retrieve important documents. Immerse yourself in the world of technology, collect energy and solve puzzles to uncover the secrets of this mysterious place.

Human Phobia$3.99
Immerse yourself in a world of your own nightmares and fears. In this game, you play as different unique characters whose deepest fears have become a reality. Choose your phobia and experience an intriguing storyline!

World of Cube$7.99
A first-person puzzle game. Explore the world of cube and solve the puzzles.

Black Mesa$19.99
Relive Half-Life.

INHUMAN$3.99
"INHUMAN" is an independent horror game. The story takes place in the conspiracy of an ancient clan, and the protagonist is in a psychedelic state and can't even distinguish herself. With further exploration and confrontation with all kinds of ghosts, the puzzle will be solved step by step...

Backrooms: Escape Together$7.99
A visually lifelike 1-6 player co-op survival horror made in Unreal Engine 5. Explore 7 procedurally generated levels that host liminal environments, puzzles, and entities with new levels and content added regularly. You are at the mercy of what's lurking and must do whatever it takes to escape.

Screamboat WillieFREE
Do you LOVE Steamboat Willie? Great! He's in this game! Do you HATE Steamboat Willie? great! He's gross and scary and you are trying to dodge him and ultimately get away from him! So basically no matter what this game is for you!

Sivi's FactoryFREE
Sivi's Factory is a single player first-person horror game in which you play as Felix. You are looking for your brother on the scientific factory. Solve puzzles on the locations, explore new rooms, fight your enemy and go deeper into factory.

Malfunction IIFREE
Malfunction II is a journey that'll feature vast exploration and difficult obstacles to overcome. You've awakened on an inescapable planet crawling with the Plague and your objective is to uncover the mysteries behind this dilemma and to finally put an end to the Plague- once and for all.

Forsaken Barn$6.99
Psychological horror game focused on finding items and solving puzzles while you are being haunted by a demon.

Blackberry$9.99
Psychological Horror. The action takes place in forestry, in which a married couple of foresters stopped communicating with city. You were sent to investigate. But once in the forest, not lose your mind - turns out to be a very difficult task

Oversleep$7.99
Oversleep is a 3D First Person Puzzle game. In this perplexing adventure, you’ll be taking on a series of puzzle rooms one-by-one. Each room will contain a different scenario for you to figure out as you explore. Take advantage of various physics based mechanics to complete each challenge.

Occult$4.99
Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

Abyss of NeptuneFREE
Abyss of Neptune is a survival horror game set in the deep seas of the Bermuda Triangle. You are sent to investigate a mysterious underwater signal, but there is more to it than meets the eye. Do you have what it takes to survive the abyss?

Time's Prison$1.99
A pirate who is burning with love for treasure finally finds the treasure island on the map. However, the pirate has puzzles to solve and adventures to go through. The story of the game starts right here.

The Living Remain$19.99
The Living Remain is a virtual reality first person adventure shooter where players immerse themselves in a world where the undead have taken over. You must survive the horde of undead using an arsenal of weapons in a story driven campaign loaded with a variety of interactive environments.

T.D.Z. 3 Dark Way of Stalker$5.99
Atmospheric Stalker adventure in the post-Apocalypse world!

The Riese Project - PrologueFREE
The Riese Project - Prologue is an adventure game you'll never forget. Immerse yourself in a universe full of intriguing puzzles, explore real locations created using the latest Lumen and Nanite technologies employed by Unreal Engine 5

Specimen 13$8.99
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.

Umbral$5.99
Umbral is a game focused on its own story and narrative, with a first-person view, elements of horror, exploration and puzzles. In Umbral, you take on the role of Mateus, a young adult frustrated with life who, after facing several personal problems, decides to commit suicide. However...

The Secret Story : XIII Phobia$5.99
The Secret Story is a game that tells mysterious and horror-filled stories through an FPV. The game is designed with a focus on realism, allowing players to immerse themselves in the atmosphere, visuals, scents, and sounds, as if they were truly experiencing the culture tied to those beliefs.

Degradation: Kyomu's Fury - 劣化:キョムの怒りFREE
Fight viruses, survive insane waves of rays and bullets, and find out more about the inhabitants of the Network in this mix of exploration and 3D bullet-hell/FPS game.

Backrooms Descent: Multiplayer Horror$6.99
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

Nocturnal NemesisFREE
Experience the terror in Nocturnal Nemesis, a first-person survival horror game. Navigate a dark, eerie winery, fix generators, and outsmart relentless AI-driven threats. Can you survive the night and uncover the mystery?