Oh, no problem.
Civilization I:
1)
vanilla (1991)
2) vanilla Windows re-release (1995)
2)
CivNet (1995) - Windows re-release with multiplayer
Civilization II:
1)
vanilla (1996)
2)
Conflicts in Civilization (1996) - scenario pack
3)
Fantastic Worlds (1997) - scenario pack
4)
Multiplayer Gold Edition (1998) - package of Civilization II with both scenario packs and multiplayer functionality (plus uncooperative AI bug)
5)
Test of Time (1999) - semi-remake by MicroProse done without Sid Meier
*Civilization III:
1)
vanilla (2001)
2)
Play the World (2002) - first expansion pack
3)
Conquests (2003) - second expansion pack
*Civilization IV:
1)
vanilla (2005)
2)
Warlords (2006) - first expansion
3)
Beyond the Sword (2007) - second expansion
*
Civilization IV: Colonization (2008) - remake of
Sid Meier's Colonization on the Civilization IV engine
*Civilization V:
1)
vanilla (2010)
2)
Gods and Kings (2012) - first major expansion
3)
Brave New World (2013) - second major expansion
NaN)
insane number of DLC civilizations and scenario/map packs *Civilization VI:
1)
vanilla (2016)
2) TBA???