You must download both the "GAME ONLY" zip (containing the executable) and the "MUSIC ONLY" zip.
For the most up-to-date developmental builds (Rev A, B, C, etc.), joining the Fusion Fangaming Discord is recommended, as small bug fixes are often shared there first. Installation Instructions
Move the extracted "Music" folder directly into the game's main directory so it sits alongside the other asset folders. Crucial: If the music folder is missing or incorrectly placed, the game may crash or run in total silence. Launch: Run the MKFusion.exe file to start the game. Key Gameplay Features Mushroom Kingdom Fusion by Fusion Fangaming, dooki51
The primary source for the latest version is the Fusion Fangaming Itch.io page . This is where you can find the most recent stable releases, such as v0.93 .
How to Download Mushroom Kingdom Fusion: The Ultimate Fan-Game Crossover Guide