The latest Famitsu digital estimates suggest that Pokémon Gold and Silver sold a further 65,720 (totalling 144,554) from September 25 to October 29. Elsewhere, Splatoon 2 sold 16,172 (totalling 140,964) for the same period – and Super Mario Odyssey sold an impressive 63,538 on the Japanese Nintendo Switch eShop in its first three days.
Source: Japanese Nintendo