Rouph Concept Sketches and Map Design

Here are 20 rough thumbnails that I drew to explore the concept of my game map as well as exploring how the cars overcome all the obstacles:

 The 1st pass game map design:

I also made 3 rough light study for my final concept drawing (two cars are racing on the Great Wall.), the first study is currently my favorite:

Lights come from left

Lights come from right

Lights come from front