Truly epic in every way mega civilization is a game of skill for 5 to 18 players covering the historical development of ancient civilizations from just after the last ice age to the dawn of the new era at the end of the iron age a time span of almost 8 000 years a game of mega civilization can take 10 12 hours to complete players can also choose to play the beginner scenario the first game which will take only 1 2 hours another scenario the short game provides the same excitemen