Running out of air too fast in MGS1 underwater?

In Metal Gear Solid 1, the oxygen limit during underwater segments often causes significant stress for players. Watching your oxygen bar deplete rapidly forces frequent surfacing, breaking stealth immersion and tactical flow. Running out of air leads to rapid health loss and mission failure, requiring frustrating reloads. The Unlimited Oxygen mod eliminates this pain point entirely. By enabling this feature, Solid Snake can breathe indefinitely underwater, removing the oxygen constraint completely. You are free to explore hidden underwater areas, plan infiltration routes carefully, or lie in wait beneath enemy patrols without worrying about survival mechanics. This removes unnecessary tension and allows you to focus on strategy and narrative immersion. Whether you are collecting all hidden items or aiming for a perfect no-alert run, Unlimited Oxygen provides immense convenience. It transforms underwater sections from survival challenges into pure tactical playgrounds. Enjoy a seamless stealth experience without mechanical interruptions. Take full control of the battlefield with confidence. Let every infiltration be calm and calculated, showcasing the true prowess of the legendary mercenary. Enhance your gameplay efficiency and enjoy the story without arbitrary barriers hindering your progress.