I'm trying to end the game in centaurs camp like a mare. How can I do it? 

Matting press dullagah? How? 

And I see Naga sex art. Is it included in the game? 

Thank u 

Not sure about the other stuff, but to end up as a mare you need to get Equestrian Rank 3 by taking Centaur cock. At a certain point if your Stealths high enough it seems that you simply avoid Centaur encounters, but all you have to do is choose Fail when it says "You were careful to avoid notice" and you'll run into one. Then just fight her and lose.