The two new civs are out and looking great. they both provide the means for interesting play styles that I enjoy and i'm sure they are going to be a lot of fun to play!
however there are a few things that immediately stuck out to me with each of them that make them unbalanced one way or the other.
these guys are awesome and i love the super defensive style they give, but their infantry is a major point of weakness. while they are meant to be archaic and inferior to many other units, they do not leave a played with many viable options for creating an army later in the game.
because the infantry weak (remind me of Strelet from the base game) you reach a point in the late game where barracks infantry is no longer viable
your cav would take over fine late, but you have no good way to protect them from heavy infantry because your skirmisher unit is too weak and your ranged cav doing extra against heavy inf, is not enough.
the war-hammers from the artillery foundry are great, so the hoop throwers! but both take too much population.
going with either these or the barracks troops will cause you to be completely outclassed by either the numbers or strength of any other army.
these guys are great and i love the integration of the mafia, but i noticed some issue after fully upgrading both them and the spies:
the spies can use their siege attack while stealthed, this would be infuriating to play against.
the mafia cant take advantage of reducing gather rates because they just attack the villagers, maybe have a 'no-attack' stance so they can be stealthed and hidden in your opponents base without letting them know they are there.
what are your thoughts on these things? hope these suggestions help!