1. Finding the Correct Game CRC (The most important step) Unlike other games, Code Veronica X has multiple versions (USA, Europe, Japan, "Greatest Hits"). A PNACH file will only work if the filename matches your game’s CRC.
2. Where to put the file
Navigate to your PCSX2 folder > cheats folder. Place the .pnach file here.
3. Essential Cheat Codes (Raw Format for PNACH)
Open your .pnach file with Notepad. Add these lines. These are the most useful codes for this notoriously difficult game.
Infinite Health (Chris & Claire)
patch=1,EE,20433E28,extended,42C80000 Resident Evil Code Veronica X Pnach File
Infinite Ammo (No Reload)
patch=1,EE,201BFFE0,extended,00000000
Have All Weapons in Item Box (Starter Save)
patch=1,EE,40433A30,extended,00110001
patch=1,EE,00010001,extended,00000000
4. Critical: The "Plane Tyrant" Softlock Fix Code Veronica has a famous bug: If you have infinite health during the Plane Tyrant fight, the cutscene won't trigger, and you cannot progress. then disable it afterward.
5. Advanced: Unlock Battle Game Characters
patch=1,EE,00424024,extended,00000001 (Unlocks Wesker)
patch=1,EE,00424025,extended,00000001 (Unlocks Chris)
6. Troubleshooting PNACH not working
Warning: Do not enable "Infinite Health" during the airplane cargo hold puzzle. The puzzle requires you to "die" to reset the container position. If you are immortal, the puzzle will soft-lock. 00000001 (Unlocks Wesker) patch=1
If you’re emulating Code: Veronica X, you may encounter a softlock where Steve stops moving in the Antarctic base. A dedicated pnach fix exists:
// Softlock Bypass (Antarctic Steve Scene)
patch=1,EE,003CC9A0,byte,00000001
Enable this only for that specific room, then disable it afterward.