
Screenshots

Watch trailer on Steam ↗Ontotis
Xenoplasis Games · Published by Xenoplasis Games
Very Positive — 83% positive (118 reviews) · 9 achievements
Last updated 27 Sept 2026
As a caretaker trapped by a severe storm, you must secure an abandoned hilltop home. When routine chores spiral into terror, uncover the residents' chilling fate, solve puzzles, and unravel the truth behind a mysterious haunting entity deeply connected to you in this psychological horror game.
£1.49
£4.99Lowest price we've ever recorded
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Price history
Action, Adventure, Indie · 2023 · More under £5 games
Explore the eerie halls of an abandoned home as Ontotis challenges you to solve puzzles and confront the chilling truths behind a storm-trapped caretaker's nightmare.
About this game
Embark on a haunting journey in Ontotis, where chilling secrets of the past shape a story that blurs reality and nightmare in this psychological horror experience.
Key Features
❖ Engage in an immersive gameplay experience that blends an atmospheric environment with chilling horror elements.
❖ Solve intricate puzzles to progress the story and unlock secrets.
❖ Piece together the mystery by discovering scattered items and pages that hold crucial clues within the game.
❖ Explore different endings based on the items used and mysteries unraveled.
Story
Grieving the recent loss of his wife, Robert seeks peace and solitude by taking a remote job as a caretaker for abandoned properties. But his quiet assignment is about to become a nightmare.
As a severe storm rolls in, cutting off the outside world, you are tasked with securing one final property on a desolate hill. What starts as a routine checklist of chores quickly spirals into terror. Unexplained phenomena plague the halls, and a mysterious, human-like figure seems deeply connected to the house. As you investigate the dark corners of the property, you must piece together the tragic history of the former residents to survive the night and confront the sinister presence lurking in the shadows.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64 bit
- Processor: Intel Core i5-6500k CPU / AMD Ryzen 5 3600
- Memory: 12 GB RAM
- Graphics: Nvidia GeForce GTX 1070 8GB
- DirectX: Version 12
- Storage: 8 GB available space
- Additional Notes: The game utilizes Lumen, it is highly recommended to use Resolution Upscaling (TSR) for optimal performance (50%-70% values for low end GPUs, with vsync on and medium settings for 60 fps at 1080p)
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64 bit
- Memory: 16 GB RAM
- Graphics: Nvidia RTX 2060
- Storage: 8 GB available space
- Additional Notes: The game utilizes Lumen, it is highly recommended to use Resolution Upscaling (TSR) for optimal performance (70%-90% values for high end GPUs on higher settings)
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
Patch v1.4 - Game Performance Improvements
Hello everyone, and thank you for playing Ontotis. The following game and performance improvements have been added in Patch v1.4: The game was upgraded to Unreal Engine v5.4.1, resulting in improved overall performance, particularly in outdoor environments. Fixed an issue with the collision of the drawer containing the Huxley house key at the start of the game, making it easier to interact with. Changed the interaction method in the second part of the keypad puzzle to now use a freecam input system. Enhanced the visual effects for weather, adding more fog and rain to create a more immersive outdoor atmosphere. Fixed a bug where the flashlight and the axe wouldn’t have shadows. As mentioned in the previous patch notes, the game is now available in 6 languages: English, French, Japanese, Turkish, Spanish, and Portuguese (Brazilian). Follow Xenoplasis Games on social media for news about a new game in the upcoming weeks: Twitter/X Youtube Facebook InstagramRead full article on Community Announcements (Xenoplasis Games)Patch NotesOfficial
Patch v1.3 - Various Game Improvements
Hello everyone and thank you for playing Ontotis. The following game improvements where added with the Patch v1.3: Added hit decals for the axe. Randomized the sounds for missing and hitting with the axe. Slight reduction in the volume of rain and thunder. Added a subtle sway when turning and holding a wieldable such as flashlight/axe in order to seem more realistic. A very small overall perfomance increase after tweeking some weather effects and particles. Small increase in the hit size of the forest monsters and 2 placement changes. Some translation and bug fixes. As mentioned in the previous patch notes, the game is now available in 6 languages: English, French, Japanese, Turkish, Spanish, and Portuguese (Brazilian). Follow Xenoplasis Games on the social media for more upcoming news: Twitter/X Facebook InstagramRead full article on Community Announcements (Xenoplasis Games)Patch NotesOfficial
Patch v1.2 - Added 2 new languages Japanese and Turkish, various improvements
Hello everyone and thank you for playing Ontotis. The following updates and game improvements where added with the Patch v1.2: Added support for 2 new languages: Japanese and Turkish making the game now available on 6 languanges (English, French, Spanish and Portuguese(Brazilian)). Changed the IES texture of the flashlight and added a small delay when changing directions with flashlight wielded in order to make it more realistic. Aim dot is now a bit bigger and more visible, additionally a new circle dot will appear for interactable objects like doors, drawers, etc. Added a short hand animation when picking up items when nothing is equipped (axe/flashlight). Various small fixes and improvements. Follow Xenoplasis Games on the social media for more upcoming news: twitter/X Facebook InstagramRead full article on Community Announcements (Xenoplasis Games)Patch NotesOfficial
Patch v1.1 - 3 languages added French, Spanish, Portuguese(BR) game improvements
Hello everyone and thank you for playing Ontotis. This marks one month since the release of the game and the following bug fixes and game improvements where added with the Patch v1.1: Added support for 3 new languages: French, Spanish and Portuguese(Brazilian). Added a new achievement for completing all the house chores. Added flies particles on the fallen peacock frame event upstairs in order to make it easier for players to find out where the noise came from. Fixed a bug where some planks won't be destroyed after coming back to the house. Improved the collision and the popup text for the "close windows" objectives. Slight decrease of the flashlight's brightness in order to make it easier to see items when the flashlight is on. Increased the size of the aim "dot". Increased the pickup icon distance of the battery after the statues gate and hour hand clock item. Improved the collision of the interactable tealights(candles). Small decreased on stamina consumption (you can run a bit longer). A very small outdoor performance increase. Added a small outline shadow in the subtitles text to make it easier to read. Fixed a bug in which the first forest monster won't move/follow the player for the first time. Fixed a bug with the spawning text wall in the living room after obtaining the electrical fuse which if not triggered correctly would block the players. Added a custom interaction text on the watch chain in the office and the mirror hand found in the basement, indicating the use of a wedding ring and a pocket watch. (Note in order to be able to interact with the hand that comes through the mirror, something needs to happen first inside the house). Added official "Xenoplasis Games" logo.Read full article on Community Announcements (Xenoplasis Games)Patch NotesOfficial
Patch v1.0.8 - Adds more game improvements and few bug fixes
Helo everyone, Patch v1.0.8 adds more improvements to the game and fixes various issues and small bugs, in more details: Changed the description for some items in order to make it easier for players. Fixed a small sound bug with video cassette 1. Changed the sound after picking up the wooden plank upstairs. Fixed a typo on Journal page 8. Fixed an issue in which after collecting to many batteries a new stack will appear and it won't be deleted after returning home, new stack can now go up to 20 from 10. Fixed a bug in which the text to close the window will display only once. Improved the text displayed on the fuse objective, it now indictates that both fuses can be found inside. You can no longer open any drawers or cabinet doors from the kitchen counter (the one where 2 kitchen chairs are located). Added a new tutorial pop up text on how to combine items, after picking up the Top Half Axe. A small change on the light layout in the office room and the location of the basement key. Added a few candles to make it easier to find the holywater fonts in order to light them up. Added a voice line when the player tries to open the warehouse door and it's locked. After placing the ring or the pocketwatch, some lights inside the house will turn on. Added few more decals outside the church and an arrow pointing to the 4 candles outside the locked door. Made the aim dot slightly more visable and bigger. Slight increase in player's stamina regeneration. Fixed various small bugs. Thank you everyone for playing and reported any bugs found.Read full article on Community Announcements (Xenoplasis Games)






