PAL (European/Australian) copies of the game sometimes require you to swap the code sequence. If the standard codes don’t work, try reversing the D-pad commands. For example:
For users who do not wish to modify their system files or use plugins, Splinter Cell: Essentials features built-in unlockables earned through gameplay progression: splinter cell essentials psp cheat codes install
If you want cheats without unlocking them (e.g., Infinite Health, always stealth, or all weapons from the start), you need to use CWCheat—a plugin for PSP with custom firmware (CFW). If you want cheats without unlocking them (e
You cannot have all four cheats active simultaneously. The game’s memory heap is too small. Install a maximum of two cheats per mission. or all weapons from the start)