: You can apply models like Deep Q-Learning to your hack to see how an AI interprets your new level designs compared to original Nintendo levels. MarI/O - Machine Learning for Video Games
: Some developers use MarI/O (Neuroevolution) to train agents to play through their custom hacks, testing the difficulty and flow of the new levels automatically. Mario World emulador
: Projects like Paper Mario: The Plasma Star use ROM hacking to introduce story-driven chapters and new abilities into the SNES engine. : You can apply models like Deep Q-Learning