On the title screen press 'SPACE' instead of fire. Now enter one of the level codes below.
02-"XBMOB" | 19-"LIBER" | 36-"PANAR"
03-"PLAIZ" | 20-"STRIN" | 37-"GONAD"
04-"SAFES" | 21-"HAIRS" | 38-"APHRO"
05-"HEROS" | 22-"SOURI" | 39-"CONTR"
06-"EXTAZ" | 23-"EROTI" | 40-"CUISS"
07-"SLURP" | 24-"VIRTU" | 41-"PILEU"
08-"WOUAH" | 25-"STRIP" | 42-"LANGS"
09-"HAAAA" | 26-"HELLO" | 43-"BISOU"
10-"RIGOL" | 27-"PIEDD" | 44-"ERECT"
11-"FACIL" | 28-"DONNA" | 45-"DSOUS"
12-"RAPID" | 29-"DIVAN" | 46-"COMPA"
13-"SYMPA" | 30-"MINIE" | 47-"PANTY"
14-"PRESR" | 31-"FORME" | 48-"LOLOS"
15-"VATIF" | 32-"EPOUS" | 49-"SESAM"
16-"MONST" | 33-"BELLE" | 50-"ORGAS"
17-"GAMEX" | 34-"HABIT" | 51-"JOUII"
18-"GATHO" | 35-"JARET"