expansion. If you upgrade or have the Plus version, you gain:

Game developers release updates and patches to fix bugs, improve stability, add features, or enhance the overall gaming experience. For Sonic Mania, these updates might address issues like:

The numeric suffix ".0831" typically indicates a build date (August 31st). Official Steam or GOG updates do not display this exact numbering but achieve the same gameplay fixes.

This specific version introduced several quality-of-life improvements and content additions: Dedicated Super Transformation Button