Select Civilization games are on sale for 75% off at Amazon as a Weekend deal.
- Sid Meiers Civilization IV: The Complete Edition = $7.49 (75% off)
- Steamworks but a DRM Free version is also on sale.
- Sid Meier’s Civilization V = $7.49 (75% off)
- Sid Meier’s Civilization V: Game of the Year Edition = $12.49 (75% off)
- Steamworks