Metal Gear Solid is a stealth game directed by Hideo Kojima. The game was developed by Konami Computer Entertainment Japan and first published by Konami in 1998 for the PlayStation video game console. It was well-received publicly and critically, shipping more than six million copies and scoring an average of 94 out of 100 in the review tallying website Metacritic's aggregate. It is the third canonical title released in the Metal Gear series and a direct sequel to Metal Gear 2: Solid Snake.

Metal Gear Solid ' s story centers on Solid Snake, a retired soldier who infiltrates a nuclear weapons disposal facility to neutralize the terrorist threat from FOXHOUND, a renegade special forces unit. He attempts to liberate their two hostages, the head of DARPA and the president of a major arms manufacturer, and stops the terrorists from launching a nuclear strike. Snake also confronts and defeats members of FOXHOUND.

The commercial success of the title prompted Metal Gear Solid to be enhanced and re-released on PlayStation, and Windows PC under the name Metal Gear Solid: Integral; a remake, Metal Gear Solid: The Twin Snakes, was later released for the Nintendo GameCube. The game has also spawned sequels and spin-offs. A PlayStation 2 sequel, Metal Gear Solid 2: Sons of Liberty, was followed by two prequels — Metal Gear Solid 3: Snake Eater and Metal Gear Solid: Portable Ops — on the PlayStation 2 and PlayStation Portable respectively. Game Boy Color spin-off Ghost Babel was joined by Metal Gear Acid and Metal Gear Acid 2, both on the PlayStation Portable. Another home console title, Metal Gear Solid 4: Guns of the Patriots, is dated for release on the PlayStation 3 on June 12, 2008.