Story basically stripped out no rival, no Team Rocket blocking things up. Can rechallenge leaders and trainers at will All 251 Pokemon are obtainable, special trainers let you trade for Pokemon that need to be traded to evolve Can rechallenge gyms on varied stengths by interacting with statues at the front of the gym Difficulty of the gym trainers/leaders is determined by your badge count from level 10s to level 90s Can tackle the gym leaders in ANY order Kanto restored to Gen 1 glory (like Viridian Forest and Cerulean Cave), plus improvements You choose your starting region, Kanto (Pallet Town) or Johto (New Bark Town) A ton of starter Pokemon to choose from (all 6 starters, several babies, and several hard challenges) Choose your character sprite (like Rocket Grunt, or the 2nd Gen villain!) and colour tones When you learn Fly, you can fly to places you haven't been to yet HMs are found in both the normal Gen 1 and Gen 2 locations HMs not needed for any direct paths, but optional side areas still need them. Open-World, can travel anywhere, including between Kanto and Johto ' Shut the hell up,' I say, ' Keep reading!' ' So what?' you say, having seen hundreds of half-baked mediocre Rom hacks in your time. This game is a HEAVILY modified version of Pokemon Crystal.