This page contains Resident Evil 0 Hints for Gamecube called "Custom handgun" and has been posted or updated on Apr 7, 2007 by fordstylbassin. Let us know what you think of this Hint by thumbs voting.
When you are in the draining room in the facility basement, you will find the Duralumin case. You have to enter a code, which is 385. The case will open and you will find handgun parts. Combine these with Billy's handgun for a more efficient handgun.
Back to all Cheats
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an Resident Evil 0 expert then please try to help others with their questions.