For more detail this asset from the Unity Asset Store: Click Here
This is a paid asset, but now you can download Retro Terrain for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Retro Terrain v1.0
“If possible, please buy the package to support the developer”
Retro Terrain is a terrain engine which generates beautiful block-style voxel terrain quickly and efficiently with little effort. (Note: not suitable for large worlds. Anything above 512x64x512 could cause the game to function incorrectly)
Features:
– Random terrain generated at runtime
– Dynamic free-flowing water
– Multiple water heights
– Random, natural occurring waterfalls
– Texture manager (Combines given block textures into a single terrain atlas)
– Block manager (Apply textures to different sides of block)
– Trees
– Chunk view distance system (Loads chunks in and out at runtime depending on the player position)
– Simple block selection and placement system
– Underwater effects
Includes an example scene and 13 free textures.