Download imgburn from official site www.Imgburn.com
first thing is t dl load your game unrar it n u left with an iso folder.
Open your Imgburn program,click write imagefile to disc
top left were says Select a File click first folder Browse for file
Find your ISO file on computer n open it
you will see your ISO is now in Imgburn ie.
C:\.....|Iso\Call Of Duty(wii)UKFR ISO
Label Call Of Duty
Imp ID Unknown
your write speed should be 4x always
copies 1 or what ever u want
Now insert your blank DVD-R Verbatim,Taiyo Yuden or other decent
now bottom left triangle green only green wen disc in click Triangle n burn