Since Solid Snake is different in Ac!d and Ac!d 2, tropes that apply to these version of Solid Snake only should be listed here. See also: * Metal Gear 1987 * Metal Gear 2 Solid Snake * Metal Gear Solid * Metal Gear Solid 2 Sons of Liberty * Metal Gear Solid 3 Snake Eater * Metal Gear Solid Portable Ops * Metal Gear Solid 4 Guns of the Patriots * Metal Gear Solid Peace Walker * Metal Gear Ghost Babel