gbc file (Note: If you downloaded the ROM from here, you’ll have an equivalent. On your old version, SAVE inside the Olivine PokeCenter, then close the game.Chaining and Footprint system (to help get the perfect Pokemon and hidden power).New move tutors (Egg move tutor, Future move tutor, Gen 1 TM move tutor and Event move tutor).
Map changes (area expansion and new areas).You can collect all 16 badges, challenge the new E4, catch all 251, rechallenge a gym, and visit new places… There are a lot of things to do. Pick your starter, and your region, customize your character, and then do whatever you want. Also, be sure to check out Pokemon Complete Crystal Description
