Resident Evil

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.

Rocket launcher:
Successfully complete the game without using any saves.
Neto Insolente.

Ingram:
Successfully complete the game without using any saves. The Ingram is a fully automatic Uzi with unlimited ammunition.
Jonathan.

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.
Craig Aldebert.

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
Dennis Vink.

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.
Michel Vink.

Hint: Save ammunition as Jill:
When playing as Jill, do not shoot the first zombie that is standing over Kenneth's body. Instead, run into the dining room. Barry will speak to Jill before the zombie comes though the door. Barry will shoot it three times, blowing off its head.
Suzkid3.

Hint: Save ammunition as Jill or Chris:
Stand behind the statue in the room above the dining room. When the zombies come up on the other side, they will try to walk through the statue leaving you free to knife them to death.
OctWarlock.

Hint: Herb mixtures:
Note: You cannot mix more than one Blue or Red Herb in a mixture, and you cannot add a Red Herb or Blue Herb to two Green Herbs already mixed together
Chris Ryan.

Green: Heals 25% of health
Green + Green: Heals 60% of health or randomly heals 8% (Danger only)
Green + Green + Green: Heals 100% of health
Green + Red: Heals 100% of health
Green + Blue: Heals 25% health and heals poison, or randomly restore 40% (Danger only)
Green + Green + Blue: Heals 60% health and heals poison, or randomly heal 80% (Danger only)
Green + Red + Blue: Heals 100% health and heals poison