Type these at the main menu:
 
 WOOWOO --- Havoc Sirens
 SUPACAM --- Enemy FallCam
 BENIHILL --- Benny Hill cars
 PANTALON --- All Secret missions (in Training menu)
 DOOBIES --- Infinite Shields *
 MRTICKY --- Infinite Weapons *
 STATTOE --- In-game info
 
 * You can't progress past the current mission when this code is
 enabled. 
 
 Level cheats:
 
 1 MADGAV
 2 DOLMAN
 3 SONAGAV
 4 ACEDUF
 5 JOJOGUN
 6 WENSKI
 7 SAEGGY
 8 MAZMAN
 9 DAZMAN
 10 DELUCS
 11 ANDOOOO
 12 KIMBCHS
 13 ANDYMAC
 14 YERMAN
 15 OLLIEB
 16 THEYOLK
 17 TONYMASH
 18 ANDYCROW
 19 BIONIC
 20 TSLATER
 21 IAINTHOD
 22 JONRITZ
 23 CLAIREC
 24 STEVEBOT
 25 ANGUSF
 26 EUANLEC
 27 EDFIRE
 28 STUBOMB
 29 THONBOY
 30 JIMMAC
 31 PUGGER
 32 ROSSCO
 33 CAKEBOY
 34 NIKNAK
 35 SAGLORD