IV is still loads better, but civ 5 is improving. They need a full on expansion to truly revamp things. Diplomacy is just so ****ing bad in civ 5, and i wish they kept religions and corporations. Gave more things to shoot towards in the tech tree.
I like the civics system in civ 5, although civ 4's civics arent bad.
City states need to be added upon significantly too.
And alpha centauri was indeed amazing.
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Currently playing: SC2, Civ 5
Next up: eh ; Awaiting: meh