>>2122802
>Admittedly, I don't know much about the differences in the Maya languages.
They are called Maya languages because we figured out they are related retroactively.

>But do you think the game would profit from more than a single Maya language?
Mayan history is the money maker of Mesoamerica. There are Mayanist conferences in America, Europe and Asia alike, Mayan Revival architecture from the US to Japan, major Mayanist departments in the US, in Western Europe, in ex-communist Europe, in communist Asia and capitalist Asia alike.
Aztecs are a very distant second which is mostly contained to Mexican researchers and publishers. And the rest of Mesoamerica doesn't even register.
For better or worse, they are the poster-child of Mesoamerican research. That's why Spielberg made a movie about Maya, Dreamworks made a cartoon about Maya, Lara Croft explored exclusively Mayan ruins and people went apeshit over the end of the Mayan calendar cycle. But Aztecs get fuck all outside of Mexico and Mesoanon.

As far as why you'd want to do it on the gameplay/simulation side, the whole idea behind Maya history is that these places have never joined into a single state. Making the place a single language is in the same ballpark as "Indo-European" for Europe (outside of Magyars, Szekelys et al).
You don't even need to go all anal about it (as has been done in Europe, just look at the British Isles' languages) but at the very least splitting Maya (jungle city states of the north, core of Mexican Maya) from K'iche' (forest mountain kingdoms of the south, core of Quatemala) would give you the most bitch-basic split which defines the area.