TY  - BOOK
AU  - Koster,Raph
AU  - Wright,Will
TI  - A theory of fun for game design
SN  - 9781449363215
U1  - 794.8 23
PY  - 2013///
CY  - Sebastopol, California
PB  - O'Reilly Media
KW  - Computer games
KW  - Design
KW  - Social aspects
ER  -