If you own the Sonic Mania Plus DLC, you can enable it by editing RSDK/v5/Settings.ini and setting dlcEnabled Troubleshooting Game won't start: Double-check that The decompilation supports mods that do not edit code.

To run the game, you must own an official version of Sonic Mania (e.g., via Steam) to legally obtain the necessary game assets. Releases · Clownacy/Sonic-Mania-Decompilation-Wii-U

: The port has been noted for its 240p version , making it highly popular among CRT gaming enthusiasts for an authentic retro feel. Standard Features & Support :

Moreover, distributing or downloading ROMs of commercially available games like Sonic Mania (which is still sold on Steam, Switch eShop, and other platforms) is and against the policies of this platform.

: Developers and community hubs like GameBrew and GitHub strictly forbid the distribution of the game's assets and encourage supporting the official release. Installation Highlights

sonic mania wii rom link