Top similar games like I Know This One (IKTO):

Every floor looks normal… until it isn't. Go up if everything is fine, down if something is wrong. One mistake sends you back. The deeper you go, the less the corridor obeys its own rules.

You know the rules. You still can't be sure what you just saw was real. A room in an inn on the border of the afterlife; each night, another rule. What comes for you is drawn fresh - no two nights are alike. Lower your eyes, cover your ears, judge the wrongness. Judge wrong, and morning never comes.

Angstraum is an oppressive horror game that traps you in a threatening, never-ending loop. Observe your surroundings, uncover deviant anomalies, and escape deadly threats to find the exit.

A free first-person horror game about dream puzzles - unsettling, surreal and built on strange logic.

Don't trust your eyes. A spot-the-difference horror with photography and a mysterious story. Explore 3 levels, find 100+ anomalies, and manage your sanity — mistakes warp reality. Uncover the truth of Project 404!

You are trapped in the Office. A first-person Observation-Game about walking an endless office, spotting anomalies, and getting off work.

You wake up in a strange place, not knowing who you are, where you are, or how you got here. Trapped in an environment that twists to break your sanity, your only way out is to delve into the unknown and face the horrors of a past your mind is trying to hide.

Infinite Innocence is a game about finding anomalies, but it is very easy to see them with lighting. What if we give it a little more difficulty and tension? Will you be able to remember everything until the end?

The Revenge Of Sophia Red is a first-person psychological horror adventure with puzzle elements. It's about the life of the book author Sophia Red. Love can turn into hate and make people blind. Revenge has become the only meaning in Sophia's life. This is her story.

A short horror game where you pilot a submarine to collect samples on the crushing depths of the ocean.

You wake up. Everything seems normal. Click. Is something wrong? One anomaly. One chance. One mistake, and it all begins again. A horror experience woven from paranoia, where your attention to detail is the only thing that can save you.

The Convenience Store | 夜勤事件 is a J-horror game about a college girl on a night shift.

Drawn back to his home, Dave searches for closure in the decaying remnants of his past. But the house is not as he remembers—shadows linger where they shouldn't, whispers echo through the halls, and buried memories refuse to stay forgotten. Explore the abandoned home and a past that won’t let go.

Accidentally trapped in the Backrooms, explore 7 unique levels combining over 20 iconic locations. Solve puzzles, maintain your sanity, and uncover the dark secrets of the F.O.T. company and Arthur Penn’s research to find a way out.

In the end, everybody gets what they deserve. The sins of the past always manifest within the minds of the sinners. An eternity of suffering awaits, welcome to The Survey.

A first-person psychological horror with a strong emphasis on atmosphere and storytelling. Explore an ever-shifting Victorian mansion as a painter seeking to complete his masterpiece, even at the cost of his own sanity.

Your mind is shattered. Step into a first-person psychological horror where you must relive your deepest trauma, uncover fragments of your past, piece them back together and face the tormentors that haunt your mind.

Anomaly hunting, ten feet underwater. Swim, don't walk. You're trapped in a flooded pool that loops forever. Watch every corridor for the one detail that's wrong, then turn back before it takes you. Short first-person psychological horror. No combat.

Explore an abandoned apartment block in this story-driven psychological horror rooted in urban exploration. Uncover forgotten stories, fears, and a family’s past as you navigate its dark, unsettling halls. Some places are abandoned for a reason.

An alien hides among the pigs. Can you spot the imposter before it's too late? A tense observation horror game inspired by The Thing, where every oink could be your last.

God's Basement is a first-person, narrative-driven, single player horror game. Uncover the secrets of an afterlife shrouded in mystery, as an entity known as "The Operator" leads you deeper into the fringes of a seemingly eternal purgatory.

Kizuyami is an atmospheric psychological horror game. You find yourself in a never-ending Japanese street that you cannot leave no matter where you go. You stumble upon the same house over and over again, which calls for you in inexplicable ways. Will you be able to find your way out?

A Psychological Horror Backrooms Found Footage Game

A girl crashed into a dark forest not knowing where to go, curiosity drives her to open a Pandora’s box that was never meant to be opened.

A first-person horror observation game where you must spot the anomaly to escape. Every platform is randomised, with over 30 anomalies waiting. Every death adds another name to the toll. How many will you sacrifice before you reach Platform 13?

Drawn back to his haunted home, Dave must solve eerie puzzles, uncover forgotten lore, and survive the shadows that stalk every corner of its decaying halls - a past that refuses to let go.

"The Jester" is a first-person psychological horror game with VHS effect. Something lives in the shadows and feeds on your fear. Are you ready to dive into insanity?

Embark on a procedural liminal journey filled with eerie, unfriendly faces. Walk, explore, and descend to the first floor to escape. No monsters will chase you, but they can watch and appear when you aren't looking. This can evoke a fear of an endless labyrinth and create a sense of anxiety.

A psychological horror experience about returning to a place that never forgot you.

You are trapped in a never-ending street loop. Observe your surroundings carefully and identify anomalies. Make the right choice at the end of each street and try to escape the loop.

Withered Haven is a first-person psychological horror game. After the tragic loss of his wife and daughter, a broken man struggles to endure a collapsing reality. Familiar apparitions drift closer, echoing memories that mask a darkness beyond comprehension.

Las 5 Celdas is a short first-person psychological horror experience. Explore five impossible cells, each based on a different human fear, and face disturbing situations where there may be no perfect answer.

Explore the looping floors of your apartment building. Your surroundings change, doors lead to strange places, and something evil is trapped here with you. Can you find the exit and escape?

You wake up in a lecture room. The hallway loops endlessly, and there is no exit.

Seybul Tech is a walking simulator. Navigate as an office employee, confronting peculiar encounters while in search of an exit from this enigmatic abyss.

A slow burn walking sim with an interactive soundtrack and horror vibes. You explore abstract locations and create your own unique sound for each of them by moving around and using Monoliths.