Here are some cheats and tips for the game Largo Winch.
Cheat mode:
Press Select, Square(2), Circle(2), Triangle, Square, Triangle,
Circle at the main menu. A cheat menu with “Invisible” and “Silent”
options will be unlocked. Turn them on and enemies will not see or
hear you. Select “Continue” to access a level selection screen.
Press Left or Right to choose between levels.