Speaking of the stone faces, it would probably be difficult to have to pixelize and create pictures of certain people in-game. If not already, I think there should be a building system, with the tiles from in-game mapping and buildings, allowing players to create homes and what not at the cost of natural resources such as Iron, Wood, etc. Basically say there are tiles that put all together form the basic face of somebody, and then more tiles form different hairstyles that were already put in the game. Then again, you could use the basic sprite of the game, color it to match the stone, and then place the hairs and facial specialties, what not.