Top similar games like The Underpass:

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.

In Nine Floors, you are a student who has finished the horror of high school classes. Move down and go home! The High school feel like a backroom, find the anomaly in each floor and reach the exit. Based on popular's game The Exit 8 and Shinkansen 0 | 新幹線 0号

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.

You are a father on a quest for 8 milk cartons. Observe your surroundings carefully to pick up and check out your milk before returning to your family at last.

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?

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

You are trapped in an endlessly repeating place that looks ordinary at first glance. Observe your surroundings carefully, identify subtle anomalies, and make the right choices to escape the loop.

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

The corridor looks the same every time. But does it really? Maybe something has changed. Observe your surroundings carefully.

You are trapped in a looping indoor swimming pool. Inspect the pool carefully and decide whether it is safe or not. If anything feels strange, get out. Now!

Every archive hides a secret. Every door leads somewhere it shouldn’t.

The doctor said today was my last appointment, I'm healthy. Time to go home, what could go wrong?

A short first-person puzzle game set in an eerie subway. Not anomaly-spotting — each level asks you to infer the goal by reading the environment, entering the right switch sequences, and turning the surroundings to your advantage.

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.

“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.

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.

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?

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.

A stalker is terrorizing the neighborhood, and you’re next. Watch for signs he’s been inside your house and make the right choices to avoid becoming his next victim. Test your observation skills in this Exit 8-style game where the threat isn’t supernatural, but a real man and you have three choices.

A routine spacewalk procedure traps you in an endless loop. Observe the spaceship carefully, detect anomalies, and choose the right path to reach the airlock and escape.

Forced into working as an Anomaly Observer in a space stockroom, you must explore, observe carefully, and report inconsistencies. Earn Credits to buy upgrades, but beware: hideous horrors are creeping in the dark.

You find yourself trapped in the endless maze of Kyoto's backstreets, trying to reach the temple of Hōkan-ji before the main tourist rush. Inspect the street for anomalies, choose the right path, and reach your destination... or be trapped forever.

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

You are trapped in a corridor suspended above the clouds. At the end lies a door. Explore the ever-changing environment each time you open it, find anomalies, use the alarm, and break the loop.

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

Trapped in an endless looping school, can you find your way out by photographing all of the anomalies?

You are inside an endless hotel but there is a way you can escape. Search in the hallways of the hotel and find the changes within them to reach Room 13.

You’re trapped in a strange communal apartment with no escape. The only way forward is by elevator, but it has only two buttons. Each correct choice brings you closer, but every mistake sends you back to the start.

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.

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

You find yourself trapped in a haunted VHS rental store, can you survive their twisted games and escape?

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.

In this single-player experience, you wake up on the 9th floor of an unknown building. The only way out of here is to detect and mark anomalies. One wrong move and you could be trapped forever.

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 Door Factory is a first-person horror game where you inspect mysterious doors before they are sent into production. Step inside, observe the environment, spot anomalies, and decide whether each door should be approved or reported.

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.