Top similar games like 4th Supplementary:

A short psychological horror experience that asks one question: are you paying attention, or just doing what you were trained to?

You are trapped in an endless hallway. Observe your surroundings carefully to reach your destiny.

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!

Step into The Split Layer, psychological horror game set within a liminal world where familiar places no longer reveal the whole truth. Your only reliable tool is a tablet that uncovers another layer of reality.

A psychological horror game inspired by the unsettling atmosphere of P.T. and the anomaly-detection gameplay of The Exit 8, where players must detect anomalies to escape a looping abandoned hospital.

Pine Hollow is an atmospheric anomaly-hunting game set in a 90s US neighborhood. Explore Echo Bubbles, use your Zapper to clear anomalies, and uncover the mystery that brought you here. Can you escape the Deviation?

After accepting the invitation from the Paradise company following the events we've experienced, nothing on our journey may turn out as we expect. You must be very careful to uncover all the mystery and reveal the truth. Learn everything and expose the true face of the Paradise company.

Trapped in an infinite parking lot, your only escape is through Floor Zero. Detect subtle anomalies and make crucial decisions in this mind-bending, psychological horror experience. Dare to escape the unescapable? If you see an anomaly... turn back.

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.

Navigate 1980s Japan as a schoolgirl in this Junji Ito-inspired horror game. Each choice shapes your fate, leading to safety or deeper into the macabre. Uncover hidden horrors in an urban street filled with sinister details. Will you find your way home, or be consumed by the unknown?

You are trapped in an endless stairway with no end in sight. Solve twisted puzzles and maybe you will escape your fate.

You are trapped in the new company by Lao Liu, and you need to carefully observe whether there are any abnormalities every day, make the right choice within the limited time, and break the cycle.

DERAIL is a horror anomaly game where instead of spotting anomalies you have to cleanse them with you holy camera to escape the loop.

Trapped in what seems to be an endless hospital department. Carefully observe your surroundings in each loop to escape the Liminal Department

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.

Heralds of Silence is a first-person horror game. Solve complex puzzles, look for clues, dive into the darkness of empty corridors and, perhaps, you will discover the secrets of a mysterious scientific complex and the curse of the Silence.

Trapped within shifting liminal spaces, you must rely on keen observation to survive. Inspect your surroundings, detect subtle anomalies, and make the right elevator decisions to break the loop and escape.

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?

[SUBJECT] is a first-person psychological horror game. You wake up confused in a dark room, not knowing where you are. The last thing you remember is a robotic voice echoing through you ears. How you got here or why is unclear, but you do know one thing: You're being watched.

“If you find an anomaly, remember it.”　Welcome to Hotel The Memory, an anomaly-hunting x memory-matching escape game. Match pairs of rooms with the exact same anomaly to escape from this strange hotel.

It is a first-person horror game. Escape the damp, dark semi-basement. Overcome your fear and find a way out.

At Twin Palms your shift is over, but the office won’t let you leave. In this First-Person Psychological Horror Game: carefully observe a looping environment, spot differences, overcome Trial Anomalies, and snoop around the office. You can clock out, but can you really escape?

Observe your surrounding and be confident there is or is not a anomaly to progress.

Nine floors down to the exit of Hotel Liminal. Some are exactly as they should be. Some hide an anomaly. Everything depends on spotting the difference, and one mistake sends you back to the top.

Play as a photographer compelled by a haunted elevator to uncover a tragic story. Find dark secrets about your company, using your camera and choices to seek justice or follow a darker path. The outcome is in your hands.

Step into the decaying halls of Horror Manor, an abandoned estate shrouded in mystery. With a sudden click, the doors slam shut, trapping you within its chilling embrace.

You are trying to reach classroom 1.09. Nobody is around, and the atmosphere feels wrong. Trapped in looping corridors, your only way out is to observe carefully, spot anomalies, and choose the right door… or remain trapped.

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.

Watch the behavior of the office clerks closely and find the one who is merely pretending to be human. You have only one bullet to survive this cycle. Make a mistake, and the anomaly will attack you.

You start from the 10th floor in a hotel and must make your way to the exit. However, you must look for any potential anomalies on each floor to safely make it out.

RE-EXIT is an anomaly horror game that challenges your perception and attention to detail. Your mission is to observe your surroundings carefully, survive, and report any anomalies.

Enter the endless hall where reality distorts. Spot anomalies, correct them, and uncover the dark truth—miss one, and you may be lost forever.

A short find it game that helps you make sense of a tragic accident as you uncover a piece of the story with each item found.

I found myself in a strange house and I'm scared

Explore a seemingly endless hotel floor where each identical corridor challenges your perception. This horror walking simulator tests your observation skills as you seek the emergency exit.

A first-person psychological horror where you must identify anomalies, choose the correct elevator to progress, and escape an endless loop in a hospital corridor while avoiding deadly entities.