* Mew is a Wi-Fi event Pokémon: Mew has only been obtainable through special events that required a Wi-Fi connection.
* No cheat codes or glitches: There are no known cheat codes or glitches that allow you to get Mew in HeartGold without Wi-Fi.
What you *can* do:
* Trade with someone who has Mew: If you know someone who has a copy of HeartGold with Mew, you can trade for it.
* Look for a hacked save file: This is not recommended, as it could potentially cause problems with your game.
Important Note: It's impossible to get Mew in the original game without a Wi-Fi connection. Any information suggesting otherwise is likely outdated or false.