Resident Evil - Dual Shock
aka: Biohazard - Dual Shock

Change clothes:
Rescue the other two players and finish the game. The phrase "You've got the special key" will appear after the credits. Save the game. Start the game that was just saved. Enter the room with the large mirror on the second floor of the mansion. Unlock the door in the back. Enter the closet and move All the way to the end of the rack of clothes. A message asking "There is an outfit that fits you perfectly, do you want to put it on?" will appear. Select "Yes" to change your character's clothes.

Reset game:
Pause the game during play and press Start + Select. The game will reset and return to the main menu.

Unlimited rocket launcher:
Finish the game within three hours without rescuing anyone or saving the game. A rocket will appear after the credits. Choose to continue playing after the game restarts. The rocket launcher will be available when the new game begins. Note that the rocket launcher does not shoot well upwards or downwards.

Configure game (Japanese version):
Pause the game during play and press Start + Select. Game options may be changed before resuming game play.

Change difficulty during game (Japanese version):
Note: The game must have been previously completed on the hard difficulty setting. Press R1, L2, R2, L1, X, Triangle, X, Square at the title screen. The sound of a zombie confirms correct code entry. Hold R1 + R2 + L1 + L2 and press Select during game play.

Hint: Killing Plant 42:
Chris can save ammunition when fighting Plant 42 by using the combat knife. Only about a dozen hits with the knife are needed to kill it.

Hint: Logging onto the computer:
To log in to the computer in the lab, and unlock the areas B1 and B2, use the following passwords.
1st: John
2nd: Ada
3rd: Mole

Hint: Getting the Star Crest:
Go to the hall with the numerous paintings and crows. Put the switches behind the paintings in the following order: new born baby; infant; lively boy; young man; middle-aged man; bold looking old man.