The Dig Dug Graphic Hack for NES with the original purpose of making one of the in-game character sprites to match with the “Box art” appearance, and improve other asset’s sprites all around.
Also to be the proof that Namco can improve their re-release game but they won’t.
ROM / ISO Information:
Database match: Dig Dug (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
