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

 
8.6
Sid Meier’s Gettysburg!

 
Civilization V: Scrambled Continents

 
3.0
Sid Meier’s Railroad Tycoon

 
8.6
Sid Meier’s Civilization IV: Gold Edition

 
7.0
XCOM 2: Anarchy’s Children

 
6.8
Sid Meier’s Railroads!

 
6.8
duplicate Civilization Revolution 2

 
8.8
Sid Meier’s Pirates!