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[6] PRNewswire, 2008. Disabled Gamers Comprise 20% of Casual Video Games Audience, http://www.prnewswire.com/news-releases/survey disabled-gamers-comprise-20-of-casual-video-games-audience57442172.html. 

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[8] Bierre, K., Ellis, B., Hinn, M. Ludi, S. and Westin, T. 2005. Game Not Over: Accessibility Issues in Video Games, http://www.igda.org/accessibility/hcii2005 gac.pdf. 

[9] Atkinson, M., Gucukoglu, S., Machin, C.H.C. and Lawrence, A. 2006. Making the Mainstream Accessible: What's in a Game? Lecture Notes in Computer Science, vol. 4061, pp. 380-387. 

[10] White, G.R. 2008. Second Life for the Visually Impaired, http://blindsecondlife.blogspot.co.uk. 

[11] White, G.R., Fitzpatrick, G., McAllister, G. "Toward Accessible 3D Virtual Environments for the Blind and Visually Impaired" In DIMEA 10-12 September 2008. Proceedings of the 3rd International Conference on Digital Interactive Media in Entertainment and Arts, New York, NY: ACM Press, pp. 131-141. 

[12] Voelker, T. and Hamilton, I. 2012. Global Game Jam Accessibility Challenge: Information Packet, http://gasig.files.wordpress.com/2011/02/globalgamejamaccessibilitycha llenge1.pdf. 

[13] Ellis, B., Ford-Williams, G., Graham, L., Grammenos, D., Hamilton, I., Lee, E., Manion, J. and Westin, T. Game Accessibility Guidelines. http://www.gameaccessibilityguidelines.com. 

[14] Stuart, K. 2012. Global Game Jam Tackles the Issue of Accessibility. http://www.theguardian.com/technology/gamesblog/2012/jan/27/global game-jam-accessibility. 

[15] Scott, M.J. & Ghinea, G. 2013. Promoting Game Accessibility: Experiencing an Induction on Inclusive Design Practice at the Global Games Jam. In GGJ 14 May 2013. Proceedings of the Inaurgural Workshop on the Global Games Jam, San Fransico: ISADS, pp. 17-20. 

[16] Global Game Jam, 2014. GGJ 2014 By The Numbers, http://globalgamejam.org/news/ggj-2014-numbers. 

[17] Fowler, A., Foaad K., and Ali A. 2010. The Evolution and Significance of the Global Game Jam. In GGJ 14 May 2013. Proceedings of the Inaurgural Workshop on the Global Games Jam, San Fransico: ISADS, pp. 1-5. 

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