STK Zone 1 is a desert mountains style terrain for your projects. You can use it as a starter kit for racing, flying and fps games where large areas are needed. 
Read more information and watch videos: Web Site 

Characteristics: 
- 25 sq. km area; 
- road mesh; 
- 3 LOD levels; 
- integrated LOD scheduler script; 
- 2 mesh variants; 
- normal map; 
- highly optimized for mobile devices;
- fully compatible with Unity and Unity Pro.