i've used all the right settings but my dc thinks my self boot games are audio, why is this? ple

please can someone help me? i can copy boot disk games no problem but when i try to copy self boot games they seem to copy ok according to the programs i use (dj 2 and clone cd) but then when i try to run it in my dc it just shows up as an audio track. please help as this is really getting me down. i've tried everything and dont know what else to try, please help. ive used dj2 and its still only coming up as an audio track on my dc although i have written the game to the disk, please help. i have a creative 8438e writer. my dc just wont run the games. why is this?