Keep in mind that the tutorial has been made three years ago and with high probabilites you will use a different version of Unity. Pay attention to this, even if the differences will be very few. The ...

I'm following this tutorial to get an understanding of Unity's basic concepts, in order to either advance to more complex tutorials, or use it for a future "Cavebots" prototype.

Another doing just that is California-based CthulhiGames, which has announced it Unity-based 2D Action Horror RPG as a project in development exclusively for Wii U.