Should I jump on the 75% Civ 5?

Even if you end prefering Civ4 (they are just different), Civ5 isn't as bad as some would say and definitely worth 15$.
 
CiV for $15 is an incredible deal. I purchased it a month or so ago during a different sale for $33 and haven't regretted it.
 
Definitely worth it for $15.

If you end up loving the game it will give you hundreds of hours of entertainment.

If you end up hating the game it will at least entertain you for 30 or so hours, consider that you would pay $15 to see a movie that would entertain you for 2 hours.
 
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