Without the data.rsdk file, modding tools cannot read the base game’s assets to create patches.

: Right-click Sonic Mania in your library, select Manage , and click Browse local files .

: Once extracted, you gain access to the Data and Unknown folders, where you can swap out music files or edit character sprites.

If you are trying to set up a port or a decompilation, follow these steps to locate and use the file:

Sonic: Mania Plus Data.rsdk

Without the data.rsdk file, modding tools cannot read the base game’s assets to create patches.

: Right-click Sonic Mania in your library, select Manage , and click Browse local files . sonic mania plus data.rsdk

: Once extracted, you gain access to the Data and Unknown folders, where you can swap out music files or edit character sprites. Without the data

If you are trying to set up a port or a decompilation, follow these steps to locate and use the file: Without the data.rsdk file