Use Godot's Tileset Editor to quickly paint classic levels like World 1-1.
Use small wooden cubes painted in specific colors to build 3D-feeling 8-bit characters like Mario, Luigi, and mushrooms. Super Mario Bros NES
You can build a 2D platformer by importing the original sprites and setting the Pixels Per Unit to 16 to maintain the pixelated look. Use Godot's Tileset Editor to quickly paint classic
Modify the original game code to create a custom version of the NES classic. Super Mario Bros NES
If you want to build a playable "piece," you can use modern engines to recreate the NES experience.