Gamecenter Tutorials

Are there any official tutorials on how to implement Game Center on ios 7 devices or any forums that someone could direct me in? My last post only directed me to discussions of such libraries.

Maybe this can help
http://codeatuts.blogspot.ca/2013/04/tutorial-30-codea-v152-objective-c-add.html?m=1

It has 3 parts on how to integrate Gamecentre

Thank you so so much! I searched forever on a tutorial like this! This is exactly what I need. :open_mouth:

I think a guy name Reefwing made these tutorials good websites helps explains lots