GBGE is a tool for creating and editing Game Boy maps.
Metatiles are a byproduct, allowing you to think and create freely. (You can still paint using metatiles if you like)
You can also copy/paste part of maps using the selection tool.
Also generated header files for the tile sets and maps.
- Click to fill
- Export all tilesets at once rather than only the active one
- Limit tileset export to only used tiles
- Undo/redo