TY  - BOOK
AU  - Schuytema, Paul 
TI  - Game design: a practical approach 
SN  - 9781584504719
U1  - 794.81526 
PY  - 2007///
CY  - Boston: 
PB  - Charles River Media, 
KW  - Inventory systems
KW  - Puzzle design
KW  - Conflict design
KW  - Mind mapping
ER  -