Hello,
this is just to help players that would like to play
more levels of this game but cannot get to them ...
These are the Codes that should be entered when asked for
Mission 1  -  MMM  as shown on screen
Mission 2  -  OPM
Mission 3  -  AOQ
Mission 4  -  XPM
Mission 5  -  MOX
Mission 6  -  OMA
Mission 7  -  APQ
Mission 8  -  QXA
Mission 9  -  PAM
Mission 10 -  PXO
Mission 11 -  MAX

cheers!
pere