 At this time, there are fewer than half a dozen developers working on each new version of the game, and even fewer of them are able to work on the engine itself".The art development team was founded by Francisco Muñoz, and directed by Richard Kettering with Hogne Håskjold as the director of terrain art.The current set of portraits were designed primarily by Kathrin Polikeit and Emilien Rotival, replacing the older set of comic-style portraits done by Jason Lutes.