@inproceedings{DUXU-DI-2014-BrandseT14a,
	author        = "Michael Brandse and Kiyoshi Tomimatsu",
	booktitle     = "{Proceedings of the Third International Conference on Design, User Experience, and Usability. Part II: User Experience Design for Diverse Interaction Platforms and Environments}",
	doi           = "10.1007/978-3-319-07626-3_63",
	isbn          = "978-3-319-07625-6",
	pages         = "669--677",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Challenge Design and Categorization in Video Game Design}",
	volume        = 8518,
	year          = 2014,
}