5 cheat codes for Resident Evil on PS1.
RE1 (1996) has no typed gameplay codes — 'code lists' for it are GameShark/Action Replay artifacts or fakes. Everything below is earned in-game; the PC Director's Cut era trainers are third-party tools.
No built-in cheat codes exist for this game. See the entry description for what actually works on each platform.
Clear the game in under 3 hours with 2 or fewer saves and save your clear: the infinite-ammo rocket launcher appears in the next run's item box.
No built-in cheat codes exist for this game. See the entry description for what actually works on each platform.
Clearing the game once awards the Samurai Edge handgun in the item box for subsequent plays.
No built-in cheat codes exist for this game. See the entry description for what actually works on each platform.
The famous item-box reorder trick (drop/pickup cycling) can duplicate ink ribbons and ammo on some versions — version-dependent, patched in later ports.
No built-in cheat codes exist for this game. See the entry description for what actually works on each platform.
The Barry 'jill sandwich' line and the wardrobe corpse are the mansion's most famous secrets.
No built-in cheat codes exist for this game. See the entry description for what actually works on each platform.