For players on PC, the lack of built-in codes can be bypassed using third-party software. This is the only way to achieve true "Infinite" stats.
Alpha Armor: To get the best protection in the game, you must complete all of Isaac Briggs’ co-op missions. If you are playing solo, you can use a "100% Save File" (detailed below) to bypass this requirement. Using Trainers and Save Editors (PC Only) tom clancy's splinter cell blacklist cheats
Paladin Infirmary: Focus your first set of credits on upgrading the Paladin’s Infirmary. This isn't a direct cheat, but it enables health regeneration for Sam, effectively acting as a "soft" God Mode for aggressive players. Unlocking Elite Suits and Weapons For players on PC, the lack of built-in