The first and most important rule of Sonic Mania modding is that you . The Data.rsdk file contains copyrighted assets that are the intellectual property of Sega, and it is illegal to distribute or download it from unauthorized sources. The modding community is very strict about this principle, both for legal and ethical reasons.
Right-click Sonic Mania in your library → Manage → Browse local files. sonic mania plus datarsdk
A Data folder will appear, containing all extracted assets. The first and most important rule of Sonic
In-game, pressing ESC (or start) will now allow you to access the dev menu, enable mods, and test changes. Important Considerations containing all extracted assets. In-game