Is Pokemon HeartGold based off of Gold?

Yes, Pokémon HeartGold is based on the original Pokémon Gold. It's a remake, meaning it's a reimagining of the original game with updated graphics, gameplay mechanics, and some new features.

Here's how it's based on Gold:

* Story: The story is the same, following your journey through the Johto region to become a Pokémon Master.

* Characters: The characters, like your rivals and gym leaders, are the same.

* Pokémon: The available Pokémon are the same as in Gold, including the legendary beasts Entei, Raikou, and Suicune.

* Locations: The maps and locations are very similar to Gold, with some minor visual and layout updates.

HeartGold features a more modern visual style and gameplay, but it retains the core elements of the original Gold game.