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OniX icon.png
Developer: Team Chrysalis
Version: 1.0.0
released 2021.12.19

Change log
Supports: Windows 95–Windows 11
(Mac support coming later)
Bug reporting:
#oni-general channel on Discord

OniX is a fan-made rebuild of the Oni game application, yielding new possibilities for Oni in terms of modding, new engine features, and maintenance for modern operating systems. The initial v1.0 release is intended to replicate "vanilla" Oni as closely as possible while fixing compatibility issues with current operating systems and modern hardware (including HDPIA high-DPI display that uses a backing scale above 1x (a 1:1 pixel:point ratio). The Retina displays in Apple's products use a 2x or 3x scaling factor. A display in Microsoft Windows that the user sets to use scaling above a certain percentage can also count as HDPI. and HRRHigh Refresh Rate, e.g. 120 Hz or 144 Hz. displays) and upgrading to a new game data versioning system that will make future improvements easier to roll out.


OniX does not (yet) support the Anniversary Edition modding system or implement any features/fixes of the Daodan DLL. Oni localizations with text in non-English scripts (European, Asian, Cyrillic) will not display correctly, and AE mods with large textures (above 256x256 px) or 32-bit transparency will not work. The features of the Daodan DLL, including full support of AE mods, will be brought to OniX in v1.1 or v1.2.


  • OniX is just the game application, so it requires the game data from a retail copy of Oni for Windows or Mac.
  • The game data will need to be converted before using OniX for the first time (instructions for this are in the download). OniX can also run from the Windows demo data without any conversion.
  • A legacy build is offered which will run in anything from Windows 98 to Windows 8. It does this by not supporting certain features of modern Windows which don't impact older computers anyway, e.g. HDPI support. It should run in Windows 95 as well, however the data conversion script currently does not support Windows 95 so the game data will need to be converted in a newer OS and then copied into Windows 95.


Mod Depot page: OniX (Windows)