: While SEGA is historically lenient toward fan projects, these games exist in a legal vacuum where the intellectual property belongs to the corporation, but the labor belongs to the fans. Conclusion

Do not try to run the game directly from inside the zip folder. It will not work.

(The central hub for MUGEN builds and characters)

One of the best aspects of MUGEN is its infinite expandability. If there is a Sonic character missing from the V3 roster, you can add them manually:

The main menu, lifebars, and versus screen were redesigned to mimic Sonic Battle on the GBA, complete with a blue radial menu and chiptune music.

Earlier versions had brain-dead AI that would stand still. v3 included advanced AI patterns, making arcade mode genuinely challenging.