Game Not Starting msvcr100.dll missing
If you game wont start and there is no message saying why then go to the game folder and run the exe and you should get a message like msvcr100.dll missing or something.
My PC is 64 bit yet to run the game I needed to download the 32 bit redistributable from microsoft.
Different messages might require different redistributables, I can only confirm msvcr100.dll is fixed on a 64bit PC with the 32bit redistributable below.
http://www.microsoft.com/en-us/download/details.aspx?id=5555