If you have not installed Cocos Creator, then follow the instructions on this page Cocos Creator Installation
The game will be making is a simple 3D runner it will help you with the following concepts
I am currently still working on this tutorial and the videos will be on my YouTube channel shortly. You can still begin the project with the work done so far which ends at part 14. The tutorial will end on part 16.
You can download the assets here Download Assets
You can try the demo on this link Play Demo