Nothing Loading Please Help!

[dramallama]

Hey guys I just bought Amnesia and I open it and the laucher opens and starts bouncing. A little white dot appears and it it says that it isn't responding, this is a brand new mac so...I don't know what could be wrong.

Macbook Pro
Retina, 13-inch, Early 2013
Processor 2.6 GHz Intel Core i5
Memory 8 GB 1600 MHz DDR3
Graphics Intel HD Graphics 4000 768 MB
Software OS X 10.8.4 (12E55)

please help i was looking forward to this game