Metal Gear Solid 2: Substance for the Xbox is an action-adventure stealth game expanding on the original MGS2: Sons of Liberty. Players assume the role of operative Solid Snake and later Raiden, as they undertake missions to thwart a terrorist conspiracy. Featuring enhanced graphics, this edition includes additional content like the VR Missions, providing a plethora of challenges and training exercises, and Snake Tales, offering new story missions. It's a blend of tactical espionage and cinematic storytelling.