IGN's Top 10 Metal Gear Solid Boss Battles

With Metal Gear Solid 4: Guns of the Patriots less than 24 hours away from its worldwide launch, it's more important than ever to look back at those fights that helped define the Metal Gear Solid franchise. You'd have to be a super soldier to overcome these formidable enemies; fortunately, Solid and Naked Snake were more than up to the task. Compiled are the top ten boss fights across the first three titles in the Metal Gear Solid Series. How will they match up to the battles in Metal Gear Solid 4?