Top similar games like ONTOS:

A 2D psychological horror-puzzle where time moves on its own and the house continues to live without you. Explore, observe, and decide who you are - a therapy subject, or the protagonist of someone else’s show.

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.

Psychological horror puzzle. Control 16 unique camera feeds to spot escapees, open doors, and trigger sounds, guiding a person through a lab breach where a mistake is not permitted.

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.

The Event is a first-person psychological horror game that offers immersive gameplay and a rich narrative. Find yourself stuck in mystery and struggle in the dark against paranormal activities, demons from other worlds and much more. Will you be able to find out the truth and return home?

A first-person psychological horror game about identity and what you give up to keep going. You wake up somewhere you don't remember. You go through different rooms. Each one wants something from you. You make choices, and the game watches you back.

A maze of cubic rooms. Traps that never forgive. A voice logging your every move. Other subjects ready to betray you. Officially, you don't exist… but the horrors you'll commit to survive — those will exist.

The Last Frame is a psychological horror game about a father who disappeared. As you walk through the locations he documented, you discover that watching and recording them changed the place itself — and not for the better.

You do not fight. You intervene. Traverse a city that watches and discover the price of keeping an impossible promise.

A horror escape room. Trapped by a demonic entity in an old house, solve puzzles in each room before the candles go out.

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

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.

A short horror observation thriller. Could you tell what's real and what isn't? You stole intel from your company. Now you wake up in a hospital every day with two choices: take your medication if something looks wrong, or hit the call button if you're sure the room is safe.

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.

Psychological horror in first person. What kind of person are you and can you claw your way to another life if reality can change? Explore the home, memorize shifting details, survive other realities, and decide how many times you can pull the trigger for a shot at happiness.

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.

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Arkham Detective is an immersive and captivating psychological thriller that unfolds within the eerie and otherworldly universe crafted by the master of cosmic horror, H.P. Lovecraft.

Paranormal VHS is a horror game that features a VHS tape-inspired aesthetic. The game's story revolves around a popular vlogger who spends a night in haunted locations in search of paranormal activity. Brace for intense jumpscares.

Witch's Doll is a first-person psychological horror game with realistic graphics. Beware, something is lurking in the dark. Get ready for intense jumpscares.

Soul of Savarog includes four of Twisted Universe's mobile horror thriller games. All of these plays tell the story of Savarog. Play Savarog, Savarog 2, Rule and Savarog 3 respectively.

Gift Collector [ギフトコレクター] - this is a New Year's horror game from the first person, in the Japanese style and genre of walking simulator. Collect gifts and make the kids happy on New Year's Eve. But don't forget that Midnight is a time of miracles!

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.

Five scary stories, but they all have the same ending. Can you play it?  A psychological horror game from the first person, which few will pass.

Nomad Nightmare is a psychological horror where the line between dream and reality blurs. When his car stalls on a remote road at night, a vlogger finds refuge in a motel. But this place is a trap. Explore, solve puzzles, and try to escape the nightmare.

DarkSelf: Other Mind is a first-person psichological horror game about the growth of darkness over time. Explore the house, life and mind of John Parse. Complete puzzles inside the mind of John Parse to unlock his memories, and don't let the DarkSelf catch you.

Beneath the Frost is a short, single-player, psychological horror game set on a frozen, desolate planet. You take on the role of the sole survivor of a spacecraft crash, using a robot companion to gather parts for an SOS device while uncovering an eerie mystery that suggests they may not be alone.

A first-person psychological horror where you wake, again and again, inside a facility that studies you. Each cycle the rooms change, the pattern deepens, and something begins to take shape. The longer you observe, the harder it becomes to tell where the simulation ends.

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.

Immerse yourself in a captivating blend of exploration, puzzle-solving, and otherworldly encounters. Can you navigate through the chaos and unravel the truth?

A missing person left behind only a book. First-person psychological horror.

Martin has been given an urgent assignment at work. However, for this he had to go to the house of his Boss. And so Martin found himself alone at home, in the middle of a vast field of sunflowers. Everything was going well until there was a knock on the window.