Top similar games like Onionisin:

A psychological horror game set in a nuclear facility run entirely by machines. Restore the systems – before something else finds you.

To those who will become investigators at our research institute, Our institute conducts research on mysterious phenomena and grudges that occur in schools. As an investigator, you will carry out field surveys, but it is a simple job that even those with no experience can perform.

Estranged: The Departure follows the story of a fisherman, stranded on a mysterious island during a violent storm. Little does he know his adventure has just begun, and the island is home to more than it first seems.

Embark on this Lovecraft-inspired tale and discover the mysteries that await you in this island. Explore the enigmatic lighthouse, solve challenging puzzles and most importantly: try not to lose your sanity when facing the darkness of your mind.

Single-player horror game based on the backrooms universe. Your task is to pass levels, puzzles and try not to die during all this.

How long has it been? A man sits in a distant getaway cabin waiting for his wife Serena. Where is she? Things in the cabin evoke memories, and the husband comes to a disturbing realization... This short point-and-click adventure is the result of a massive collaborative effort between dozens of fans and designers of adventure games.

First-person, story-based horror game. The game evokes a grim atmosphere, a sense of dread, and tension. Players solve mild puzzles and find and use keys. They find supplies for a flashlight and experience jump scares. Discover the gruesome secrets of the house.

A survival horror with anomaly hunting, where you’re trapped in a school classroom frozen outside of time. Find a way to escape. But remember: every choice you make carries unpredictable consequences.

3Tower is a first-person horror adventure experience where you play as a night watchman on the graveyard shift. You might explore what going on here, or you might survive the night shift. It's up to you. This is a dense deep exploration in natural fears of graveyards - but pushed to a new level.

"CowaCowa: Jinmenken" is a 3D horror adventure game based on the Japanese urban legend of the "Jinmenken," a dog with a human face. Explore a hand-drawn 2.5D world from a first-person perspective, uncovering eerie mysteries in a quiet residential neighborhood at night.

Melo's Nightmare is a first-person perspective 3D escape horror game. Players find themselves trapped in corridors and must investigate puzzles to attempt escape. A casual horror game akin to walking through a deserted amusement park haunted house. Will players be able to get out safely?

Welcome to Room 1028 of the Despair Hotel! An attraction where you search for mistakes in the supernatural space Even if you suffer injuries so severe that they might kill you, it's okay You'll wake up in Room 1028 as if nothing happened Please enjoy to your heart's content until you're satisfied

DON'T FACE UP is a first-person horror game. Never make eye contact with them. They may appear and disappear. They may be standing in the direction you suddenly turn your eyes. Even in such a situation, you must proceed with your search for the building. Therefore, "DON'T FACE UP."

Find a way out before you become a permanent part of the game. Your childhood nightmares have found you. Trapped in the endless, eerie playrooms of the Backrooms.

Dreaded Wunder is a psychological horror game set in a twisted version of Norwich, Featuring local myths and legends with a hint of Eldritch horror. Navigate the contorted world that lies before you and find a way to escape fate by relying on a mobile phone to survive!

Ifrit is a first-person psychological horror game. It can impress you with its dark atmosphere, which is realistic and frightening. Are you ready to face the Ifrit demons, the strongest of the demons?

Relive the lives of a student, teen, and worker in this first-person Japanese horror. With gentle scares, one-hour playtime, and a striking monochrome style, it’s perfect for newcomers. Crafted solo by a 20-year-old, this exploration-driven tale blends beauty with quiet dread.

Monolith é um jogo de terror e sobrevivência ambientado em um mundo distorcido e caótico. Enfrente criaturas terríveis, resolva enigmas e lute para manter sua sanidade enquanto tenta escapar de uma realidade que se desfaz diante dos seus olhos.

Beyond the Evil is an psychological horror game that places the player to a hard experience to find who created one supposed plague that might doom the world.

You agreed to play three games with the devil to fulfill your wishes. Detect anomalies in environments trapped in a loop and choose the right door. Reign in your fears and move toward your goal!

"The Meaning" is a first-person psychological horror game focused on tense exploration and immersive storytelling. You are Ethen Daniels, a man who is struggling with the loss of his family and is now pursuing the meaning of life once again.

A co-op horror about hunting for feed and scavenging for your life. Don't let Devi go hungry for too long.

He asked only for your help. For humanity left unprotected, you are the only hope. Can you uncover the secrets and set everything right?

Forest God is a psychological horror game from the first person. The investigation of Agent X of the secret service turns into an endless journey deep into the universe, filled with abnormal incidents, the nature of which is previously unknown to anyone.

You've been trapped in a looping space by Pachiko's mischief! Find the anomaly, choose the right path, and aim for the goal!

You are trapped in an office on the 25th floor. Observe your surroundings carefully to reach the exit on floor 0.

Prepare for a chilling and suspenseful first-person horror journey with a spooky atmosphere. What starts as a warm and welcoming stay at grandma's house soon reveals a tragic story.

nightmare

Do you remember the scares that chased you in childhood? How did your limbs shake with fear, take your breath away, and you couldn't do anything about it? I invite you to live it all over again!

Aboard SCP-455, an abandoned monolithic cargo ship that has run aground somewhere off of the coast of Chile, you find yourself having lost your team and with no radio or guidance. Make your way out of SCP-455 which by now has become a sprawling maze trying it's best to seal you into your new tomb.

A letter and a floppy disk arrive—from a friend who died six years ago. Inside is a strange game: a distorted replica of your old apartment. Spiral is a 1st/3rd-person horror adventure where you bend gravity, explore broken space, and gather forgotten fragments of the past.