Official website: http://www.firaxis.com/

 
7.5
Sid Meier’s Civilization II: Conflicts in Civilization Scenarios

 
8.0
Sid Meier’s Civilization: Beyond Earth – Rising Tide

 
8.3
Sid Meier’s Civilization III: Conquests

 
7.0
Sid Meier’s Civilization Beyond Earth – The Collection

 
9.6
Sid Meier’s Alpha Centauri

 
7.5
Sid Meier’s Civilization IV: Colonization

 
9.4
Sid Meier’s Civilization IV

 
9.0
Sid Meier’s Pirates!