If the game isnīt protected, try with an CD/DVD emulator how daemon-tools, or virtual drive of alcohol 120 %. Mount image (bin/cue, mds, etc) and try it.
Anyway, check it protection with "a-ray scanner" too.
http://www.aray-software.com/index.php?showforum=7
Daemon-tools:
http://www.daemon-tools.cc/dtcc/portal/index.php