: Unlike modern consoles where "cheats" are often monetized DLC, the PSP era relied on external plugins like
for broader gameplay modifications like infinite health or ammo. 1. Built-in Unlock Codes (No Installation Required) These codes are entered directly on the Bonus Mission screen to unlock hidden levels. Unlock Bonus Mission 1 (Heroin Refinery): four times. Unlock Bonus Mission 2 (Paris-Nice): L, L, R, R Unlock Bonus Mission 3 (Television Free Indonesia): L, R, L, R Alternative All-Mission Unlock: L, R, L, R, L, R 2. Installing CWCheat (Third-Party Plugin) splinter cell essentials psp cheat codes install
: Complete the game once on any difficulty to unlock this hardcore mode. : Unlike modern consoles where "cheats" are often