Searching for "Passcode A" returned 21 results:
File, Resident Evil
File (Below Freezing Point), Resident Evil Outbreak
Miscellaneous object, Resident Evil Remake
Item (Key item), Resident Evil 6
Map location, Resident Evil Remake
File, Resident Evil Code: Veronica
Map location, Resident Evil 7 Biohazard
Item (Key item), Resident Evil Revelations
Map location, Resident Evil
File, Resident Evil Remake
File (Hellfire), Resident Evil Outbreak