GoodDay,
Okay, Ready to start working on your project "Create 10 concept arts of buildings for a city-building video game" ,will design according to your description that "The order consists in preparing 10 concept arts for a video game in Ancient Greece based on the sent......" so on
I am sharp Swift photoshop artist with skills including Game Design, Concept Art, Caricature & Cartoons, Photoshop, Concept Design, Illustration and Graphic Design.
I got 3 years of experience and very distinct set of skills to offer for your required design.
As an proof of my work quality and customer satisfaction, please check the link below:
https://www.freelancer.com/u/ArtisticQueens
any style references for the design you need ?
Feel free to come on chat so we may discuss further about your project.