Even if extracting NES game data is not your thing, the emulator concept [Matthew] uses might be still worth a read.

Reports claim GTA V's source code leaked in full, along with the Python code for GTA 6 and numerous files from the scrapped Bully 2 game.

Simulating a tabletop game can be done for several reasons: to play the game digitally, to create computer opponent(s), or to prove someone wrong. In [Everett]’s case, he used Python to prove… ...