Games like SYSTEM INTRUDER

DEEPEST FEAR™ is a sci-fi horror FPS with a retro-future aesthetic. Deep beneath the ocean, a secret has been unearthed which throws mankind’s future into jeopardy. Fight your way to the heart of a sinister project and uncover a mystery both deeply personal and terrifying in its implications. If you enjoyed this game, see our list of games similar to DEEPEST FEAR™.

The Undergrounders is a gripping first-person, story-driven thriller that pulls you into a chilling underground world where survival is dictated by ruthless choices and moral dilemmas. Jack, a father desperate to save his daughter, finds himself trapped in a twisted game orchestrated by the Undergrounders, a shadowy group shrouded in mystery. Every step he takes unravels a deeper conspiracy, forc… If you enjoyed this game, see our list of games similar to The Undergrounders.

Alex's quiet life in a small Québec town starts to unravel when strange things start happening. People go missing. Buildings change overnight. And weird, twisted creatures start roaming the streets. It’s clear something is wrong and it all seems to point to Lumina Corporation, the shady tech giant with a hidden presence in town. Incoherence is a survival-exploration game inspired by classics like… If you enjoyed this game, see our list of games similar to Incoherence.

82%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, music

82% User Score Based on 264 reviews

Focus on exploration Find passwords for doors, search for access cards for terminals, repair damaged equipment and combine items. Think with your head. Intense battles You have a gun, but that doesn't mean you're safe. The enemies here are deadly, and not all of them can be killed... The atmosphere of cold loneliness Graphics inspired by classic 3D games such as Zero Tolerance, System Shock… If you enjoyed this game, see our list of games similar to ZERO PROTOCOL.

Ringwyrm is an immersive action horror game with survival elements. Explore a nonlinear interconnected world, meet a large cast of memorable characters, slay a huge cast of sickly monstrosities and avoid myriad diseases and ailments. If you enjoyed this game, see our list of games similar to Ringwyrm.

       PLAY THE DEMO now for FREE ---> download DEMO button        LOST ZION is an Advanced Walking-Simulator Retro-Futuristic Psychological Horror designed to feel like playing inside a movie from the First Person Perspective where every step is your choice.  Awaken in the Shadows of a Fallen Megacity        You awaken as a mysterious Service Bot Unit inside a massive decaying city wher… If you enjoyed this game, see our list of games similar to LOST ZION.

STORYYou play as an archeologist with a troubled mind. Ever since you were a child, you've been having visions of terrifying alien lifeforms, ancient burial chambers, and artifacts of impossible geometry. The haunting hallucinations have driven you toward a life of researching ancient civilizations and their rituals. One night, the entrance of an undiscovered Tomb reveals itself to you in a dream.… If you enjoyed this game, see our list of games similar to Tomb of Dread.

Step into a world shrouded in mystery and desolation in "The Last Drive 2335," a terror game that takes you on a haunting journey whilst driving through Veiled Grove. With its nostalgic PSX-styled graphics, immerse yourself in an atmospheric experience reminiscent of classic survival horror titles. If you enjoyed this game, see our list of games similar to TheLastDrive:2335.

Voidwalker, a single-player retro first-person shooter, immerses you in the role of a Voidwalker, a void-walking traveler beyond reality's limits. Your mission: reverse the entropy plaguing your existential plane by exploring dimensions, redirecting energy from their solar systems. However, a recent failed jump leaves you stranded in a bizarre, brutalist world. This desolate place is infested wit… If you enjoyed this game, see our list of games similar to Voidwalker.

Open Close Door is a story-driven retro FPS in pixel art style that takes you back to the golden age of 90s shooters — but with its own narrative, dark atmosphere, and relentless pace. You play as a secret agent who receives an urgent call from Doctor Hemlock. From the depths of an abandoned laboratory comes a chilling message: your wife might still be alive. But the truth is darker than you can … If you enjoyed this game, see our list of games similar to Open Close Door.

49%Game Brain Score

Most mentioned positive aspects:humor

Most mentioned negative aspects:story, gameplay

82% User Score Based on 11 reviews

Into Death and Beyond is a gripping first-person survival horror game set on the hostile planet XB32-ENT. As bounty hunter Mark Helkins, scavenge for resources, solve puzzles, and confront terrifying mutants. Unravel dark secrets and capture a rogue alien before it hunts you down. Will you survive? If you enjoyed this game, see our list of games similar to Into Death and Beyond.

89%Game Brain Score

Most mentioned positive aspects:gameplay, atmosphere

Most mentioned negative aspects:story, graphics

89% User Score Based on 88 reviews

Harlequin Fair is an experimental RPG and immersive sim set in the shadows of Toronto by night. Cast dreadful spells, buy small arms with cash: cling to the light 'til the light bites you back If you enjoyed this game, see our list of games similar to HEXCRAFT: Harlequin Fair.

YOU WERE NEVER MEANT TO LEAVE.                                                                                                                                 A series of disappearances has led you to an isolated house hiding something far worse beneath its walls. Trapped within a sprawling underground butcher complex, you must explore, solve environmental puzzles, and survive the relentless purs… If you enjoyed this game, see our list of games similar to Hare House.

HELL HOSPITAL is a first person horror game set in a mental hospital. Inspired by Silent Hill and Session 9, journey through Robynsville State Hospital to find the doctor who once tormented you. Average Playtime: 25-30 minutes Controls: W/A/S/D - Move Left Click - Shoot E - Interact Shift - Sprint Backspace - Quit to MenuEnemies take between 4-6 shots to kill. You have a total of five hit points … If you enjoyed this game, see our list of games similar to HELL HOSPITAL.

"Welcome to The Bliss – where every worry goes away." Paranormal Grounds: The Bliss is a psychological horror narrative set within a failing 1970s government experiment. The story explores the concept of a "mental bunker"—an artificial, psychic containment simulation designed to be a perfect sanctuary, which has been corrupted by a trans-dimensional force known as "The St… If you enjoyed this game, see our list of games similar to Paranormal Grounds: The Bliss.

A psychological, system-driven FPS with a strong narrative layer. Built around exploration and uncovering hidden truths inside a vast industrial complex.    Features  Corporate dystopia AI gone rogue Strategic psychological FPS gameplay Massive industrial complex with multiple floors and hidden areas  Hackable tech, guns, surveillance, doors, and facility systems Time loops and reali… If you enjoyed this game, see our list of games similar to ..kill ´em all.

In this psychological horror set deep within a top‑secret Cold War research bunker, fear takes form in shadows. Aim your film‑camera and watch reality shift. Solve mind‑bending puzzles, and confront both the specter of global conflict and the creatures lurking in your psyche. If you enjoyed this game, see our list of games similar to Operation Stutter.

WTP - Story 1 is a dynamic, choice-led, sci-fi mystery adventure. WTP Story 1, is a dynamic, choice-driven, sci-fi mystery adventure set in a captivating futuristic world. Dive into a realm where artificial intelligence, morality, and intrigue collide, seen through the eyes of the first-person protagonist. Unravel the truth behind the reality you've been thrust into and decide how you'll confron… If you enjoyed this game, see our list of games similar to WTP Story 1.

Dark, Corrupt, buried deep in Secrets and Lies. Your prospects were low until the Corporation gave you an offer. A job too easy, too good to be true... it was! If you enjoyed this game, see our list of games similar to Neuro Hunter.

53%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:gameplay, story

67% User Score Based on 30 reviews

ROOM 4 is a short, narrative-driven psychological horror experience. Explore the eerie quiet of an old roadside motel, uncover its dark secret, and survive the night before you become the next missing guest. ⚠️ Content WarningThis game contains themes of isolation, confinement, psychological manipulation, and implied violence. It may be disturbing for some players. Player discretion is advised. If you enjoyed this game, see our list of games similar to Just A Scare.

37%Game Brain Score

Most mentioned positive aspects:story, atmosphere

56% User Score Based on 18 reviews

To escape from a hospital whose roof is underground, you must descend to the deepest level. At every step, you need to endure witnessing the results of horrific experiments. And rest assured, you will never predict the end of the story. If you enjoyed this game, see our list of games similar to Who Is Ethan?.

30%Game Brain Score

Most mentioned positive aspects:music, emotional

Most mentioned negative aspects:atmosphere, gameplay

47% User Score Based on 15 reviews

Uncover the secrets of an abandoned cursed village. Explore haunted locations, face twisted entities, and perform the final ritual to decide your fate. If you enjoyed this game, see our list of games similar to Village of the Curse.

92%Game Brain Score

Most mentioned positive aspects:story, atmosphere

Most mentioned negative aspects:music, stability

92% User Score Based on 63 reviews

Explore your decaying mind in this story driven retro survival horror FPS. Manage scarce resources, solve puzzles, and fight your way back to the living. If you enjoyed this game, see our list of games similar to Comatose.

83%Game Brain Score

Most mentioned positive aspects:atmosphere, gameplay

Most mentioned negative aspects:story, graphics

85% User Score Based on 48 reviews

This is a demo version of an upcoming game. If you enjoyed the demo feel free to add the game to your Wishlist on Steam Emergency Protocol activated: Dark Energy Particle Synthesis failed. Now you — late and alone — must navigate a facility where science and sanity have collapsed. Face entities born from dark energy corruption in this atmospheric FPS-horror hybrid where human ambition meets pr… If you enjoyed this game, see our list of games similar to Synthesis of Corruption.

This is a funny movie theater where you can watch any kind of movie. I saw a movie here. It is a story of a high school boy “Sota Sakurai” until ※※※※※※. If you enjoyed this game, see our list of games similar to ?? Movie Theater.

96%Game Brain Score

Most mentioned positive aspects:humor, story

Most mentioned negative aspects:graphics, music

96% User Score Based on 111 reviews

Bob and Case just wanted a quiet night… but fate (and a clogged toilet) had other plans. When a clueless friend ignores an important warning and decides to take a dump in a broken toilet, the nightmare begins. If you enjoyed this game, see our list of games similar to Poop Killer: Flush or Die.

84%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, optimization

84% User Score Based on 62 reviews

NEDRA is a story-driven, atmospheric action-adventure blending survival horror with cosmic terror. Set in a Soviet-era Antarctic station, all the explorers have vanished without a trace, leaving you to uncover the chilling truth. If you enjoyed this game, see our list of games similar to NEDRA.

61%Game Brain Score

Most mentioned positive aspects:story, stability

Most mentioned negative aspects:gameplay, graphics

77% User Score Based on 30 reviews

In 1992, following a series of mysterious deaths caused by wild animals, as well as strange sightings of cryptids in the sparsely populated and underdeveloped Amazon region of Acre, a special operations brigade from the Brazilian Military Police was sent to the area to gather intelligence. However, the situation took an unexpected turn for the soldiers, who soon found themselves cornered in the mi… If you enjoyed this game, see our list of games similar to Acre Crisis.

95%Game Brain Score

Most mentioned positive aspects:gameplay, atmosphere

Most mentioned negative aspects:grinding, stability

95% User Score Based on 8,249 reviews

Trapped in a dark, Victorian city consumed by an ancient curse, you must plan your survival and daring escape using nothing but stealth, an arsenal of eccentric weapons, and your wit in this haunting adventure inspired by the immersive sims and survival horror greats of the late 90s and early 2000s. If you enjoyed this game, see our list of games similar to Gloomwood.

64%Game Brain Score

Most mentioned positive aspects:story, atmosphere

Most mentioned negative aspects:graphics, stability

100% User Score Based on 15 reviews

Ancra is a narrative driven, puzzle-horror game. Explore the home of a dying photographer, and solve puzzles to access new areas. Solve cryptic puzzles, embrace or evade vengeful specters, decide who to trust and unravel a mystery. Encounter strange, conflicting beings and discover a haunting story, piece by piece. Try to understand why you are here, who you are and what role you play in their sto… If you enjoyed this game, see our list of games similar to Ancra.

Mayhem's World, a fighter game, a adventure game, a relaxing game, a farming game. Play how you want in Mayhem's World! If you enjoyed this game, see our list of games similar to Mayhems World.

54%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:story, gameplay

86% User Score Based on 14 reviews

Try to escape from the office, make your decisions carefully, and keep your cool to get home safe and sound... Do you hear that...? The phone is ringing, and it's for you. If you enjoyed this game, see our list of games similar to Day at the Office: Prologue.

GEHENA is a single player first person horror game. After his grandmother Osiros dies, Ernoy goes to the town of Zera to sell his grandmother's house. His grandmother was a beloved boarding school teacher, but rumors spread in the village that he was now a wizard. Children and their families hated her. So what was the reason? Ernoy, who finds himself in the event with many clues, has to make a cho… If you enjoyed this game, see our list of games similar to GEHENA.

As a wildlife control specialist at Alien Life Lab, Giedi must utilize her arsenal of futuristic stun weapons to capture the elusive alien creatures that roam the station. Alongside her trusty companion, a fascinating three-eyed alien orb with morphing abilities, Giedi uncovers secrets, solves puzzles, and faces thrilling challenges in a bid to bring order to the station. Sci-Fi Pistol, Shotgun… If you enjoyed this game, see our list of games similar to Alien Life Lab.

ANGLE is a psychological horror experience that challenges the boundaries of perception. Developed by C.O.T.E Technology & Development Studios, the game plunges players into a fractured reality where every corner hides a distorted truth. With its atmospheric storytelling and high-tension gameplay, ANGLE focuses on environmental storytelling and the thin line between sanity and fear. Survive the un… If you enjoyed this game, see our list of games similar to ANGLE.

Twenty years ago, a chilling silence fell over the idyllic suburban town of Ridgewater. For months prior, the Ridgewater Ripper had carved a bloody page into the community's history, a nightmare of escalating brutality that culminated in the unsolved murder of your own mother. Then, without explanation, the killings simply stopped. Ridgewater has endured twenty uneasy years since, every day oversh… If you enjoyed this game, see our list of games similar to Ridgewater Ripper.

Some secrets were meant to be drowned. SCP: Submerged is a linear psychological horror game following Dr. Bree as the struggle to survive takes a heavy toll. Leagues beneath the North Sea, who can you really trust when everyone is gasping for the same air? If you enjoyed this game, see our list of games similar to SCP: Submerged.

WARNINGThis title is not recommended for players with heart conditions as it conveys its macabre story and (cosmic) horror nature by keeping the player in extremely high pressure and stressful settings and situations, often for a prolonged amount of time. This is not solely achieved with level design (environments) and adversities, but also with carefully designed gameplay mechanics, that aim to … If you enjoyed this game, see our list of games similar to CATAFALQUE™.

Void Observation is a suspense-thriller set in a remote Soviet facility. Manage unstable systems, solve puzzles, operate machinery, and uncover buried secrets as you face a growing, otherworldly phenomenon. Unravel a reality-altering truth—can you survive the unknown and escape? If you enjoyed this game, see our list of games similar to Void Observation.

A little of Red Redeption in the Sertão Embark on a chilling journey into the heart of Brazil's Northeastern sertão, where the unthinkable happens: it snows. "FrostPanic: Whispers of Sertão" is a suspenseful boomershoot set in a remote village in Rio Grande do Norte called Vila do Sereno. With just ten souls, this tiny village becomes the backdrop for supernatural events that defy real… If you enjoyed this game, see our list of games similar to FrostPanic: Whispers of Sertão.

Dive into Aftermath Z: Red Pine Lake, a survival horror game with a chilling 80s slasher vibe. Experience a gripping single-player story and thrilling multiplayer modes. Unravel the virus mystery, battle zombies in Horde Mode, or outwit the infected slasher in the unique asymmetrical Infected Mode. If you enjoyed this game, see our list of games similar to Aftermath Z: Red Pine Lake.

Rogue Mansion is a survival horror game combined with the best of the roguelike genre! Explore a procedurally generated mansion that changes every time you play, and becomes more dangerous and unpredictable according to your level of fear. Experience the game in different ways, by choosing from multiple unique characters, each with their own equipment, specialist perks, and motivations. If you enjoyed this game, see our list of games similar to Rogue Mansion.

Manage The ReactorIt's the fateful night of September 17th, 2009 - your shift at the Spokane Research Facility begins like any other. Hidden deep beneath the quiet forests of Washington, you and your team are tasked with overseeing the world's first prototype antimatter nuclear reactor. But something is wrong. The alarms are blaring. Systems are failing. Containment is slipping. Cooperative Fir… If you enjoyed this game, see our list of games similar to Sierra Ridge Technologies.

Augmented Fear is a horror puzzle game set in a dark and oppressive cyberpunk universe. Trapped in a mysterious district, you must find a way out and survive against aggressive creatures. Use augmented reality to uncover the secrets hidden within. If you enjoyed this game, see our list of games similar to Augmented Fear.

They said fear could be measured, isolated, eliminated. They said the human mind could adapt. That sleep was a weakness of the human soul, a flaw to be cured. So they kept them awake. And then… they never slept again. When the last light went out, the signal didn’t stop. It remembered. It learned. It woke up. The Forgotten TownHidden deep in the northern Ural forests lies Novokirsk, a Soviet se… If you enjoyed this game, see our list of games similar to Entity Unknown.

Play as Maya, an aspiring urban explorer, and unravel the truth behind every rumor and myth that haunts every dark corner. Traverse the shadows, survive the horrors, and keep your sanity intact as you uncover the secrets buried within. If you enjoyed this game, see our list of games similar to Frequency of Fear : Chapter 1.

RESIDUUM is a first-person psychological horror game set in a decaying research facility. With only a dwindling flashlight and faulty heartbeat sensor, manage power, seek answers, and escape what hides in the dark. If you enjoyed this game, see our list of games similar to RESIDUUM.

Resident Fear 3 : Ascension is a thrilling story-driven horror adventure where three survivors fight through a world of infected chaos to stop the man behind it all. Dark secrets, intense action, and emotional twists await in this cinematic journey. If you enjoyed this game, see our list of games similar to Resident Fear 3: Ascension.

35%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:gameplay, grinding

60% User Score Based on 10 reviews

Rotten Crop is a horror experience inspired by the lost game “That Evil Farming Game”. Try to hide what you've done from your neighbors and the police.  Step into the quiet nightmare of a man trying to hold his life together while everything around him rots. THEY SEE. Keep your secrets hidden from the neighbors who won’t stop peeking, and the police who won’t stop asking questions. Something… If you enjoyed this game, see our list of games similar to Rotten Crop.

Immerse yourself in STATIC : THE BEGINNING , a horror adventure where Clara's quiet evening turns into a nightmare. Navigate a Moroccan riad, face sinister cultists, battle terrifying monsters, and uncover dark secrets. Can you help Clara escape the horrors that await? If you enjoyed this game, see our list of games similar to Static: The Beginning.