So many cheats, its SCARY!!
CheatOgre.com
Level Passwords Level Password 1 (none) 2 BCCB 3 DQGH 4 HGGF 5 NBFG 6 KGBF 7 QGJJ 8 GQHG 9 FLDP 10 KGQQ 11 DLGQ 12 CBHG 13 JBJG 14 PLDP 15 LFGB 16 DQLD 17 CLPG 18 DLHD 19 LFQG