: You can find it by navigating to your game's install directory via platforms like Steam or the Epic Games Store .
Which of those would you like next?
Upon inspecting the game's files, a peculiar file named data.rsdk was discovered. This file is associated with the Reverse-Engineered Sonic Device Kit (RSDK), an open-source project aimed at reverse-engineering and understanding the Sonic game engine. sonic mania plus data.rsdk