Underwater Gas Mask Cheat Code

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Cheat Codes > Nintendo GameCube Cheat Codes > Metal Gear Solid: The Twin Snakes > Underwater gas mask

Underwater Gas Mask - Metal Gear Solid: The Twin Snakes

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How To: Underwater gas mask

If you put on your gas mask while under water, your O2 gauge will decrease slower, just like it would while in a room with gas.
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Cheat Code Underwater gas mask