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

 
8.8
XCOM 2

 
8.8
XCOM: Enemy Within

 
7.8
Civilization Revolution

 
7.5
Sid Meier’s Civilization IV: Warlords

 
8.1
Sid Meier’s Civilization: Beyond Earth

 
7.3
Sid Meier’s SimGolf

 
7.0
Sid Meier’s Civilization Revolution 2

 
8.2
Sid Meier’s Civilization III