'Too Cube Forest' has been released at Unity Asset Store.

https://www.assetstore.unity3d.com/#!/content/117493

Eventually!

And the tile was changed as 'Too Cube Forest'

This background tile set is for 2D platformer games.
Each tile was designed as isolated cube, and no headache for novice developers.
All tiles were imported as a tilemap.
Contents :
- Terrains ( 104 tiles )
- Trees and plants ( 32 tiles )
- Signs ( 12 tiles )
- Dangers ( 16 tiles )
- Surfaces ( 15 tiles )
- etc. ( 16 tiles )
- 16 background images
Size :
- Each tile is 128*128 pixels
- Each background image is 1024*1024 pixels