The universe of Metal Gear Solid is a complex and rich universe in stories and characters. It began in 1987 with the game Metal Gear on MSX2 and continued through a series of increasingly ambitious video games. The series is renowned for its captivating stories and deeply developed characters, as well as for its innovative gameplay. Elements of the series include high-tech weapons, futuristic vehicles, and unique game mechanics. It is a cult universe with a large number of derivative products such as books, movies, figurines and more.