Turbo mode:
Press C-Up, Z, C-Up, Z, C-Up at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry.

Easy mode:
Continuously tap C-Up, Z at the mission selection screen. Ethan will rapidly say ''Ah, that's better" during this time. If activated correctly, game play will begin without turbo mode, but with almost double health. Hits will also inflict less damage.

Kid mode:
Press C-Down, C-Up, R, L, Z at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Down, C-Up, R, C-Left, Z.

Invincibility:
Press R, Z, C-Down, R, C-Down at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press R, Z, C-Down, R(2).

Unlimited ammunition:
Press C-Up, Z, C-Left, Z, L at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Up, Z, C-Left, Z, C-Left.

7.65 silencer gun:
Press C-Up, L, C-Right, C-Left, C-Up at the mission selection screen to receive this weapon with 30 rounds. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Up, L, C-Right, C-Left, C-Down.

9mm high-power gun:
Press R, L, C-Down, C-Up, C-Up at the mission selection screen to receive this weapon with 30 rounds. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press R, L, C-Down, C-Up, C-Down.

Uzi:
Press C-Right, C-Left, C-Right, C-Down, R at the mission selection screen to receive this weapon with 30 rounds. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Right, C-Left, C-Right, C-Down(2).

Mini-rocket launcher:
Press R, L, C-Left, C-Right, C-Down at the mission selection screen to receive this weapon with 30 rockets. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Up, L, C-Right, C-Left, C-Down.

Big feet mode:
Press C-Down, R, Z, C-Right, C-Left at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Down, R, Z, C-Right, R.

Big head mode:
Press C-Down, R, C-Up, L, C-Left at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Down, R, C-Up, R, C-Left.

Giant head mode:
Press C-Down, L, C-Up, C-Right, L at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry. Note: For the PAL version of the game, press C-Down, L, C-Up, C-Right, Z.

Mini mode (PAL version):
Press C-Down, Z, R(2), C-Up at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry.

Big hands mode (PAL version):
Press C-Down, R, C-Right, C-Up, L at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry.

Big head and feet mode (PAL version):
Press C-Down, C-Down, Z, C-Up, L at the mission selection screen. The phrase "Ah, that's better" will be spoken to confirm correct code entry.

Bonus level:
Successfully complete the game and wait until Infogrames logo disappears after the ending credits. The development team will appear on the Embassy level. Speak to all the people here and Ethan and Candace will enter the room.