The quickest way to get Project64 on Ubuntu is through the Snap Store, which packages the emulator with a pre-configured Wine environment. Open your terminal (). Run the following command: sudo snap install project64-linux
You must have flatpak installed. If not, run sudo apt install flatpak . project64 ubuntu download
You can find the repository and installation instructions on GitHub for Project64 Flatpak . Native Ubuntu Alternatives The quickest way to get Project64 on Ubuntu