Starting from Super Mario Galaxy 2, it looks like that Nintendo is trying to put 2D and 3D Mario games together. For example, this game features many side scrolling courses similar to 2D Mario games:
And also, the course selection screen is more visualized, resembling world maps in 2D Mario Games.
Eventually, Nintendo released Super Mario 3D Land, a game "that is a 3D Mario Game that plays like a 2D Mario game".
So, do you think it's the end of 2D Side-scrolling Mario Games? Or do you think 2D and 3D games will continue coexisting ? Comment!

And also, the course selection screen is more visualized, resembling world maps in 2D Mario Games.

Eventually, Nintendo released Super Mario 3D Land, a game "that is a 3D Mario Game that plays like a 2D Mario game".
So, do you think it's the end of 2D Side-scrolling Mario Games? Or do you think 2D and 3D games will continue coexisting ? Comment!