Bravo! Nice job! This looks like a project filled with passion and love! Awesome to see this level of effort, detail and creativity being produced. I also love to hear that your team has grown. 
It looks like you guys have a lot of talent.
I know our projects: (RAW:E) Rome at War Expansion Concept - Age of Empires II: DE / II - Modding - Age of Empires Forum our different, but there may be some crossover with Persians. If you guys are interested, happy to share assets (unique units, etc) should you guys need or want them down the road.