Hey I’m back!, today, I’m testing this extension for Unity3D called ex2D which (as its website says) is a highly integrated 2D-sprite-related development extension for Unity. It aims at providing high performance 2D sprite/UI solution inside Unity, with a specific focus on creating tons of cutting-edge sprite animations and other content in complicated Unity scenes, while still maintaining great performance on mobile devices.
I really like this tool and it’s really worth the price ($25 USD). If you are using Unity and you want to make a 2D game, try ex2D you wont be dissapointed.
When you are in Unity, it looks something like this (depending on your projects art 
):
I’m starting this project, it is a 2D side scroller, and the 2D/3D mixing looks really nice:
Official ex2D website: http://www.ex-dev.com/ex2d/
