How about some new stuff for past ages too?

[Cleopatra]

Level 300 is quite a high ceiling for Information Age, especially to someone who just picked up the game. I wonder what percent of the player base has achieved this milestone. Anyway, what if some buildings were released that were l, say, Industrial Age and higher? Or atomic and higher. That way, more people could get their hands on the new content. I realize that unlocking more ages also gets you access to more content, but it’s an idea