Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Fleck Map Generator | Random Level Creater Free.
Fleck Map Generator – Random Level Creater v1.1.1 (Latest version)
Fleck Map Generator – Random Level Creater v1.1
“If possible, please buy the package to support the developer”
Light weight map generator, create random map at both edittime and runtime with only one click.
Demo Video (YouTube)
Demo Video (Bilibili)
……..Random generator map with editor window by only one click.
……..Export map to prefab, json or text.
……..Change iteration, threshold etc to get a different map.
……..Create map by script at runtime.