Level Selector in most games now?
I am wondering what is used to create a level or object selector such as this in a game?

Any one has an idea of what is the best way for creating something like this?


![enter image description here][1]


  [1]: http://i.stack.imgur.com/YYLoG.png
Level Selector in most games now?
===

I am wondering what is used to create a level or object selector such as this in a game?

Any one has an idea of what is the best way for creating something like this?


![enter image description here][1]


  [1]: http://i.stack.imgur.com/YYLoG.png