Paper Abstract: Data-Oriented Design (DOD) is a software design process used in the commercial game industry for medium to large scale (AAA) games that revolves around data as the central design focus. The lack of study of DOD is primarily due to a mistaken belief that it is a selection of individual and independent tools rather than a cohesive design process. DOD is presented as a cohesive process and examples of DOD are shown. The history and focus of DOD is described as well as how DOD is used in commercial