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Origin HeartGold walkthrough and quest guide

Main quests, side quests, puzzles and easy-to-miss events in Origin HeartGold (起源心金 v4.0.3), in the order the game unlocks them, chapter by chapter.

The quest instructions are based on the game’s event scripts, maps, trainers and wild Pokémon tables, with specific audit findings noted beside the affected steps. Steps that were checked in an emulator say so; most others have not been played through. The English patch doesn’t change what happens in quests, so what’s described is how the original Chinese hack behaves. Directions are approximate, and steps marked “not confirmed in game” have not been checked by playing. The game starts in Pallet Town in Kanto. Johto opens up after you become Kanto Champion and finish the story scenes that follow (see Pokémon League, Mt. Silver and New Bark Town).

Several quests depend on your starter (Charmander, Pikachu or Bulbasaur), gender, the weekday, or earlier choices. Each entry says so in its title or under Who gets it. “Post-game” in this guide means after your final Hall of Fame entry; things that open after your first one say so.

On the website, every entry has a Main quest or Side quest tag. Main quests cover story and badge progression, including conditional story routes and walkthroughs; side quests cover optional activities and rewards. Post-game tags mark entries that open only after the final Hall of Fame. Use Quest type at the top of each chapter to filter them alongside your starter, character and finished quests. Your filters are remembered between chapters, and a quest you follow a direct link to always stays visible.

The website also has moves, abilities, TMs and HMs and items. Their evidence labels separate configured game data, in-game text, attributed author notes and specific gameplay tests. Reference sources explains coverage and conflicts; an author note or matching data does not prove an event can be reached.

Each chapter says where to go next (the main quest), which quests it opens up, and which ones it closes for good. Post-game chapters come last. The chapters are listed on the website; on GitHub they are the files in guide/chapters/, and the quest entries themselves are in the numbered files beside this one.

The official site of the Origin HeartGold English translation. Patches are published only on our GitHub releases.

A free, non-commercial fan project. Not affiliated with or endorsed by Nintendo, Creatures Inc., GAME FREAK inc. or The Pokémon Company.

© 2026 Origin HeartGold English translation team. Guide text: all rights reserved — see licence.