User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-13471981-20140824141855/@comment-13471981-20140824182231

Maybe... but it seems like so many. For each of those eras, they'd have to design areas, dedicate budget to model the buildings and what not. Remember, that's one of the reasons why they switched from the AC3 modern day-style to AC4; because they were spending money on assets that weren't used very often.

I feel like we might have 5 rifts at the most, certainly not twelve :s