Complete Crystal is a ROM hack of Pokémon Crystal that focuses on refinement rather than reinvention. Released by BlerdSciFiGamer, the hack modernizes balance and accessibility while keeping the original storyline and Generation II mechanics fully intact.
All 251 Pokémon receive improved learnsets, updated move power, and reworked TMs and tutors, with every TM becoming purchasable in late-game Johto. Nearly the entire Pokédex is obtainable before the Elite Four, with trade evolutions removed in favor of level or happiness-based methods, making the experience completely self-contained.
Battles are tougher thanks to smoother level progression, stronger trainer teams, and competitive movesets, including unlimited post-game rematches against all Gym Leaders and the Elite Four. Despite the increased challenge, Complete Crystal avoids adding new Pokémon or mechanics, positioning itself as a polished, definitive take on the original Crystal experience.
Download the patch here.
