- SECRET MODES:
| OPENING SECRET | |
| TUX SNAKE | BEAT GAME TWICE AND GET BOTH ENDINGS. |
| SNEAKING SUIT MERYL | BEAT THE GAME TWICE. |
| MERYL DEMO | BEAT THE GAME TWICE WITH TUX SNAKE. DON’T SUBMIT IN CHAMBER. |
| OTACON DEMO | BEAT THE GAME WITH TUX SNAKE. SUBMIT IN CHAMBER. |
| CRIMSON NINJA | BEAT THE GAME TWICE. |
| EXTREME MODE | BEAT THE GAME ONCE ON ANY SETTING. |
| PHOTO ALBUM MODE | FIND CAMERA (NEXT TO OCELOTS ROOM USE C4) |
| BOSS SURVIVAL MODE | BEAT THE GAME ONCE. |
| INFINITE IDEMS | DON'T SUBMIT IN CHAMBER, BEAT THE GAME. |
| STEALTH CAMOUFLAGE | SUBMIT IN CHAMBER, BEAT THE GAME. |
| SECRET ENDING THEME | BEAT THE GAME 3 TIMES. |
- PANTLESS MERYL 1:
AT LEVEL B1 IN THE AIR VENTS, LOOK AT MERYL IN HER CELL,
SHE'LL BE DOING SIT-UPS, LEAVE THE VENT BACK TO THE LADDER
AND RETURN AGAIN SHE'LL BE STRECHING IN HER IN HER PANTIES.
(LEAVE AND RETURN TO MATCH MERYL EXERCISE DIFFERENT WAYS,
EVERY OTHER TIME SHE'S PANTLESS.)
- PANTLESS MERYL 2:
AT THE WOMAN'S RESTROOM, WHERE YOU FIND MERYL BEFORE PSYCHO
MANTIS, QUICKLY FOLLOW MERYL INTO THE RESTROOM WITHIN 5
SECONDS. MERYL WILL NOT HAVE TIME TO CHANGE AND HAVE NO PANTS.
- DOG PEEING TRICK:
WHEN MARYL'S IN THE CAVE BEFORE THE SNIPER, HAVE THE BOX
EQUIPPED BUT TURNED OFF, WALK UP TO MARYL AND PUNCH HER
THEN PUT ON THE BOX AS FAST AS YOU CAN, THE LITTLE DOG WILL PEE ON YOU.