Over 40 new stages added, bringing the total to 120+ unique locations. Quick Setup Guide
Based on forum archives (e.g., MUGEN Guild, Sonic Fan Games HQ), v3 builds have been shared via: sonic battle mugen v3 download
Because MUGEN games consist of thousands of small files, they are compressed into an archive. You cannot play the game inside the zip folder; you must extract it. Over 40 new stages added, bringing the total
For the download, Official Download Links Over 40 new stages added