Enable all cheats:
Click on the dog tags in the mission room and type “mia cheats”.
Cheat Codes:
Press F1 at the specified screen, then activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION/(SCREEN) – CHEAT CODE
Mission select (Mission room) – mia level
All medals?? ?(Mission room) – mia medal full
Mission completed?? ?(During game play) – mia complete
Invincibility (During game play) – mia dog