Cheat codes:
     Enter  these  codes  at  the Options/Passwords screen. The "Send"
button will turn green if you entered the code correctly. Then you can
turn the codes On or Off at the Options/Secret Codes screen. Note! The
codes will only work on the levels you've already completed.

ENTREZVOUS + PORTECLEFS       Unlock everything 
ENTREZVOUS + LEMONSTRE        Panzernacker unleashed 
PUISSANCE                     Invulnerability 
BALLESVITE                    4 x firing rate 
LATIREUSE                     Podoski mode (One shot kills) 
RICOCHET                      Bouncing bullets 
AUTODINGUO                    Wacky taxi mode 
MOHUEQUIPE                    Team Gallery 
MOHDESSINS                    Cartoon Gallery 
DWIECRANS                     DreamWorks Personal Screens