The Metal Gear franchise’s storyline has been equally lauded and hated for its depth, characters, and links to real-world events. Unfortunately, the overall storyline features a number of inconsistencies that have required some creative retconning on Kojima’s part. He wasn’t, after all, thinking about working on Metal Gear for nearly 30 years in 1987.
To help catch everyone up, here's a chronological summary of the events of the Metal Gear games.