Ontotis is a Action, Adventure game from Xenoplasis Games with a 75% positive Steam review signal. Indie Lantern indexes it for players browsing by single-player.

Game snapshot
- Developer
- Xenoplasis Games
- Release year
- 2023
- Playtime
- Varies by player
- Price
- $5.99
- Review signal
- 75% positive
Screenshots






System requirements
PC
- 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)
From Steam reviews
Review notes
Ontotis is worth a closer look if you want strong atmosphere, psychological themes, psychological horror, and narrative mystery.
Best for players who want strong atmosphere, psychological themes, psychological horror, and narrative mystery.
Check more carefully if you dislike technical roughness.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
psychological-themes
SettingPsychology, perception, or mental strain is an important theme without implying horror.
psychological-horror
SettingThe fear comes through pressure, perception, or psychological unease.
narrative-mystery
Play styleA useful part of the game is piecing together mystery and story threads.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
narrative-adventure
Play styleThe experience is more story-and-place driven than systems-heavy.
solo-friendly
FitIt still makes sense as a solo play choice.
replayable
FitThe structure gives reasons to return rather than finish once.
Steam review snapshots
Ontotis is a well balanced psychological horror game with great dev support.Ontotis is a well balanced psychological horror game with great dev support.The atmosphere and the music of this game is absolutely on point and what really made the difference for me.Its good horror game with really good graphics, if you like puzzle solving story driven games , then this is for you…Why it fits
Check it if you want action, adventure filtered by single-player.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.