Go to GitHub and search for "Sonic Mania Decompilation Android." Look for the official Sonic-Mania-Decompilation repository by Rubberduckycooly. Download the latest .apk file (e.g., SonicMania_Android-arm64-v8a.apk ).
Once installed, navigate to your Steam directory (usually C:\Program Files (x86)\Steam\steamapps\common\Sonic Mania ). Inside this folder, you will see the data.rsdk file (typically around 300–400 MB).
These files can contain malware or trackers that compromise your phone.
This guide is for educational and archival purposes. The Data.rsdk file contains copyrighted assets (art, music, code) owned by SEGA and Christian Whitehead. You must legally own the game to possess or use this file. Downloading this file from third-party websites without owning the game is piracy and is illegal.
Legally, you must own a copy of Sonic Mania on a PC platform (Steam or Epic Games Store) to extract the file.
