Photo Realistic

This means a graphic style which is ment to represent the real world. For example, the characters are made to look like real humans, with textured clothes, hair and detailed face features. Enviroments and objects are also represent there counterparts in like real life. Buildings and walls are textured in detail, such as wood, brick and metal.

The graphics in the Assassins Creed series features the voice actors faces being scanned and turned into their charcter avatars. As seen above with actress, Kriten Bell.

Other examples of phot realistic graphic styles in video games are the Call Of Duty: Mordern Warfare series.