I only just recently started the game and I was confused about where to go in the beginning, I didn't know what research lead to buildings, I had no idea what favor did, and health and happiness went down really fast in the beginning when all you could do was collect food and gain a bigger population, which brought all the production down a lot. I think you should add more tutorials and make the health and happiness modifiers less extreme in the beginning.
 "Cividlization"){kind=icon}
 "There is no game"){kind=icon}