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

Additionally, many of the other currently available amiibo are compatible with Super Mario Maker. In the game, players can access a Mystery Mushroom to include in their levels.

Super Mario Maker 2 fan uses the game to create a fan game inspired by 2D Mario games on the NES and SNES. It took 7 years, with some levels made on the Wii U!

'Super Mario Bros. 5' was created entirely within 'Super Mario Maker 2.' Its creator tells Inverse why game creation suites are beneficial to aspiring devs.

With Mario Maker, you can create and play your own levels in the original Super Mario Bros on Nintendo's newest game console, the Wii U. "It was fast and seamless.