Backgrommp4 -

: Regain Psyche by eating "Regain" drinks, smoking (which drains health), or reading "adult" magazines.

: Use it to scout ahead without exposing Snake. It has a stealth camo that makes it nearly invisible to guards. backgrommp4

For a visual walkthrough of these mechanics in action, check out this guide on navigating the game's war economy and early combat: : Regain Psyche by eating "Regain" drinks, smoking

: It can deliver an electric shock to knock out enemies quietly. smoking (which drains health)

: If you move to a new environment, press the "Camo" button to quickly adapt to the new surroundings. 2. Manage Your Stress and Psyche

Unlike previous games, MGS4 features a that affects your aim and recovery.