Pokémon HeartGold: catching 'em all, for the second time | Ars Technica
Started making a guide for HGSS with the PokeWalker. Here is what I have so far. 107 Pokemon before the first badge including Dragonite. Please let me know what you think and
Pokéwalker - Bulbapedia, the community-driven Pokémon encyclopedia
Pokemon HeartGold and SoulSilver English Winner's Path PokeWalker Event - YouTube