Pokemon HeartGold for Nintendo DS Compatible with PokeWalker. - Game Title: Pokemon HeartGold - Compatible Systems: Nintendo DS - Developer: GAME FREAK - Manufacturing Number: NTR-031 - Compatibility: PokeWalker compatible This is a listing for the game cartridge only. Operation has been confirmed. Please check the images. The save data will be provided as is. There are two shiny Pokemon in my possession. Confirmed on January 12, 2026 (Reiwa 8) Please purchase only if you understand that this is a used item. It will be shipped in simple packaging. Returns and exchanges are not accepted due to the risk of replacement issues. Please purchase only if you understand this.