To use the Anniversary Edition, you must first have the original game installed. Because Oni is currently considered "abandonware" and is not sold on digital storefronts like Steam or GOG, users typically need: or an ISO file of the original PC game. Java installed on your system to run the AE Installer. .NET Framework 3.5 (for Windows users). Download and Installation Guide
Oni Anniversary Edition (AE) is a community-driven modding framework and installer that enhances the original 2001 action game oni anniversary edition download
Adds support for Windows 10/11 and Intel-based Macs (up to macOS 10.14). Oni: Anniversary Edition Download - A Comprehensive Guide