Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Tile Builder Free.
Tile Builder v1.4
With this Tile Builder Package you are able to create tile based games in a matter of time.
This package includes:
– Over 500 included sprites.
– An extensive user manual.
– Low drawcalls, great for mobile!
– Easy to use.
– Up and running in less than 5 minutes.
Youtube Video – V1.1
Youtube Video – V1.2