This video is a video on how to make a simple main menu with Unity3D and how to use the latest UI system from unity 3D. We will also touch a bit on the event system in unity.
Some assets that might help you to create a main menu :
Space main menu : https://www.assetstore.unity3d.com/#!...
FPS main menu : https://www.assetstore.unity3d.com/#!...
Game Jam menu template (Free) : https://www.assetstore.unity3d.com/#!...
Collection of GUI tools :
https://www.assetstore.unity3d.com/#!...