Metal Gear Solid 2: Substance is an action-adventure stealth video game for the PlayStation 2. It features various gameplay modes, including the original story mode, mini-games, and new Snake Tales mode. The game emphasizes stealth gameplay, challenging players to avoid detection by enemies and complete objectives. With impressive graphics, sound design, and memorable characters and story, Metal Gear Solid 2: Substance is considered one of the best games on the PlayStation 2.