Civilization 4 and 5 marked down for Amazon Deal of the Day

When it comes to kicking off a campaign of wholesale world domination, there really is no time like the present. Actually, there's doubly no better time than the present, as both Civilization 4: The Complete Edition and Civilization 5: The Only Edition are on sale today through Amazon.

• Civilization IV: The Complete Edition (PC) -- $25.12, down from $39.99
• Civilization V (PC) -- $34.99, down from $49.99