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See the Intel Mac build's page for Mac-specific issues.


Most of the problems in Oni itself can be solved by installing a community patch:

  • The Daodan DLL (see that page for manual installation instructions),
  • the Anniversary Edition (installs and updates the Daodan DLL automatically), or you could
  • use OniX, the new game application for Windows.

But some problems remain unfixed, so the information below may be useful.


The installer on the CD-ROM, OniSetup.exe, may no longer run in Windows 10. You can extract the game data from the installer's data file (ONISETUP.002) using Universal Extractor.


Have you seen this message?


There are several reasons why Oni might exit with such a message. The most common cause is solved by the Daodan DLL and OniX, but if neither of those fixes it…

The Blam page contains a thorough list of things that cause Oni to "blam".

Mouse/keyboard problems

See Mouse control issues.

Low-quality texturing/models

There are several things that can be go wrong, from fuzzy textures to very-low-detail character models. That's always a driver issue. Try and get a recent driver for your GFX card (upgrade to Catalyst if you have an ATI, etc.). But sometimes, Oni is incompatible with modern stuff. Try and get a really old driver, then :)

Low frame rate

Power management

This can be a problem on notebooks. Under certain conditions, the performance of the computer will decrease dramatically, for example:

  • if you run on battery power
  • if you let the computer overheat
Driver issue

First let's make sure that your graphic card has Direct3D and AGP acceleration enabled. Click on Start, Run, type "dxdiag", and press OK. You will see now various information about your DirectX and your computer hardware/software. Click on display, and check the Direct3D/AGP acceleration checkbox. If it is off, try enabling it, and if it is cannot be enabled, your graphics card may have not have this option, or Windows is using your card as PCI instead of AGP. In this case, try updating or re-installing all your motherboard drivers.

Make sure that you have acceleration enabled.

Now, if acceleration is enabled like in the picture above, try installing or updating your graphics drivers; don't use the ones that come with Windows. If you have an Nvidia card and if it is old (like GeForce 2 or Riva), I recommend you install an older driver. My recommendation is one from the 28.x and 60.x. range; these seemed to work better with my old card.

Nvidia users can download old drivers here. ATI users, try here (look for the "Previous Drivers" link after finding your card).

See also "Bad texturing", above.


To get Oni to support widescreen resolutions, install the Anniversary Edition or just the Daodan DLL.