Hit ESC and type a cheatcode: 


IAINTSCARED - God Mode 

SHOWMETHEMAZES - All Levels 

INEEDTHEPOINTS - Win Level 

INEEDANEXIT - Win Level 

HONEYISHRUNKPACMAN - Shrink PacMan 

HONEYIBLEWUPPACMAN - Blow Up PacMan 

UPCLOSEANDPERSONA - First Person View 

BEINGPACMANOVICH - First Person View 

GETALIFE - Add 1 Life 

KILLME - Kill Yourself 

PACSTATS - FPS and Other Stats