Sid Meier's Civilization 1 (1991)

In 1991, Microprose launched a revolutionary game: this is Sid Meier's Civilization. In this game, You play the role of a ruler and you must lead one of the historical civilizations of the game from the year 4 thousand BC until the time when man went to space to populate Alpha Centauri, another world beyond Earth. A timeless classic that defined what would define the 4 x games genre.