Because HD Deluxe Edition is itself a ROM hack, stacking another hack on top can cause conflicts. Use this method:
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Scroll down to the character list and type the exact name of your new character's folder on a new line. sonic battle hd deluxe edition mods
mod, its "story" is told through its massive crossover roster and the unique interactions between characters from across the Sonic multiverse. Unlike the original 2003 Game Boy Advance game, which focused on the ancient robot , this mod acts as an "Ultimate Battle" sandbox where conflicting timelines and alternate realities collide. The Narrative Concept: A Multiverse War Because HD Deluxe Edition is itself a ROM