need to know how to burn a dc game that is already burned on a cdr

my friends has a lot games that he bought from some guy that has been burned on a cdr already so there not the original one there just back ups i just wantd to knoe how to copy them cause i tried to copy them using both nero and cdrwin they just copy like a lil bit of it butnot the whole thing it just like copying the original it copys the first layer but when i go to windows explore i can save the whole cd to my hard drive can i just make a ghost copy pls help me or can i use a different program

[mike_gt2]

use disc juggler 2.0 its easy

[mickrick]

I've the same problem. Star Wars Racer shows as a 900mb+ disc (on 80min cdr - I don't think so) and so DJ2 refuses to copy it. If anyone knows how to copy games like this, let me know please.