Konami, the game company that would later create Metal Gear, was founded in Japan.
Hideo Kojima begins development of the Metal Gear series for Konami, pioneering stealth gameplay in video games.
The original Metal Gear game is released in Japan for the MSX2 computer, introducing players to stealth-based gameplay and the character Solid Snake.
Metal Gear Solid launches worldwide, bringing the series to mainstream consoles and increasing its popularity greatly.
The sequel continues the story with new characters and more advanced gameplay mechanics on the PlayStation 2.
The third main installment features a Cold War setting and returns to survival stealth gameplay.
Legendary game creator Hideo Kojima departs from Konami, ending his involvement with the Metal Gear series.
The final installment developed by Hideo Kojima is released, featuring an open world and complex narrative.
The mercenary state of Outer Heaven, created by Big Boss, is established, becoming a major military power.
The FOXHOUND unit, led by Colonel Volgin and the rogue mercenary Big Boss, revolts against Outer Heaven's government.
Solid Snake infiltrates Outer Heaven to stop the revolution and destroy the Metal Gear weapon.
Solid Snake successfully destroys the Metal Gear TX-55, ending Outer Heaven's threat.