Easy terrains for external game design

This tutorial shows how to make terrains and export them for game development outside of blender. this is based on another tutorial stated in the video and video description but serves a different purpose. also might want to turn the sound up some, hypercam recorded my voice very low and im trying to figure out a way around that

Part 1:

Part 2:

Thanks for it, it was helpful, also gave me a great link to CGMasters, had not seen them before.
Peace,
Micah