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

The AI then generated inputs in the form of Python code to control Mario. Still, Hao says that the game forced each model to “learn” to plan complex maneuvers and develop gameplay strategies.

In Polygon’s latest video in their “Devs Make Mario” series, Zero Escape creator Kotaro Uchikoshi takes his turn at making his own stage in Super Mario Maker.

It lets Super Mario Maker 2 players combine courses into a more unified game, just like the originals. Each game can have 8 worlds and each world can have 5 levels for a total of 40 courses.

Nintendo has detailed the final major content update for Super Mario Maker 2, and it will add the ability to create complete game worlds with the user's levels, in addition to new items and power-ups.