1. Co-experience
2. Designing playful interactions for social interaction and physical play
3. S. Björk D. Eriksson J. Holopainen and J. Peitz. D9.1 Guidelines for Socially Adaptable Games Dec. 2004. S. Björk D. Eriksson J. Holopainen and J. Peitz. D9.1 Guidelines for Socially Adaptable Games Dec. 2004.
4. Spherical mirror