Metal Gear Solid 3: Snake Eater takes about 16 hours to complete the main story on average. For players aiming to complete all side objectives and extras, the time extends to around 20 hours , and achieving 100% completion takes about 25 hours. Completionists may spend even up to 24-28 hours depending on how thoroughly they play the game. This duration estimate applies to both the original and Subsistence versions of the game, with some variation depending on play style and familiarity with the game.
