Learn about the PAN (Personal Area Network) keycard system in Metal Gear and how keycard levels increase after each boss.
The standard keycards you use are based on the PAN (Personal Area Network) system. When you have a keycard equipped and walk near an electronic door, the door reads your card's level. If your card level is the same as or higher than the door's level, the door will open automatically for you.
Keycard levels increase after each boss is defeated.
Tips
- Always ensure your equipped keycard level is sufficient for the doors you need to open.
- Pay attention to when your keycard level increases after boss fights.
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