I have seen some great ancient Greek images in screen shots of Assassin’s Creed Odyssey. Some of which made an effort to be authentic, some didn’t.
Here are a few I have found to whet your appetite. If you have some that are better, please contact me and I will put them up here.
A list of top ancient Greece games is HERE
April 2021 Update: I just discovered this intriguing history of Sparta