Vallius L., Manninen T. & Kujanpää T. (2006) Levels of Experiencing in Multi-Player Computer Games: Analysis of Experience Triangle. In Proceedings of International Digital Games Conference. September 27-29, Portalegre, Portugal.
Vallius L., Manninen T. & Kujanpää T. (2006) Sharing Experiences - Playing Together in Experimental Collaborative Computer Games. In Kylänen M. (ed.) Articles on Experiences 4 - Digital Media & Games. Lapland Centre of Expertise for the Experience Industry. Rovaniemi. University of Lapland Press, pp. 52-86.
Manninen, T. & Korva T. (2005) Designing Puzzles for Collaborative Gaming Experience - CASE: eScape.
In Selected Papers Proceedings of Digital Games Research Association's Second International Conference. de Castell S. & Jenson J. (eds.), June 16-20 Vancouver, Canada, pp.
233-247.