Pokemon Ultra Shiny Gold Sigma is a fan-made ROM hack of Pokemon FireRed that expands your journey across multiple regions, including Johto, Kanto, and Orange Islands. You can explore a wide Pokédex of over 800 Pokémon spanning from Generation I to VII, including Mega Evolutions, Alolan forms, and new legendary events. This version enriches your gameplay with an updated battle system, reusable TMs, physical/special split, and extra side quests not found in the original games. Your adventure involves new rivals, custom events, and gym leaders redesigned with modern tactics, giving you a longer and more varied journey than traditional GBA titles.
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