C64 Ultimate Wiki is a community-built information resource for the Commodore 64 Ultimate (C64U), a modern version of the iconic 1980s Commodore 64 home computer. The wiki focuses on the C64U’s features and differences from the classic machine, while also directing readers to useful resources for broader Commodore 64 topics. Its content is organized to help owners explore the computer, with sections covering user guides, technical specifications, keyboard controls, buying information, hardware, software, troubleshooting, programming, and tips and tricks.

Visitors can also find links to homebrew software, modifications, reference books, online communities, and other C64-related resources. The site invites users to register and contribute, emphasizing that edits can be reversed and that no permission is needed to help. It also provides a suggestions area, editor guidance, and contact information for feedback.

C64 Ultimate Wiki is therefore both a practical guide for people learning about the C64U and a collaborative project for preserving and sharing knowledge about this updated take on a classic computer