The Metal Gear series has always offered players the freedom to choose between silent stealth and naked aggression, a dichotomy that truly came into its own with 2001's Metal Gear Solid 2: Sons of Liberty. The game's hero, Raiden, became a sort of walking arsenal -- but most weapons would utterly blow his cover with noise or visibility. Sure, blasting a few Gurlukovich soldiers with a rocket-powered grenade was a hoot, but serious Metal Gear fans prefer to play by the rules... and that means never being spotted, and never killing an enemy if at all possible.
Metal Gear Solid 4 offers a truly epic array of weapons and items to use -- reportedly in the neighborhood of 70 -- but it also offers Snake more ways than ever to slip through the game's massive, war-torn battlefields without anyone ever realizing he was there. Stealth has always been Metal Gear's most unique and influential contribution to gaming, so fans will find encouragement in the impressive possibilities available to Snake.