The Big Model
Yay at last! The Big Model Wiki is live. Go read and then come and post at the forum.

System Does Matter (July 1999)

GNS and other matters of role-playing theory (October 2001)
Simulationism: The Right to Dream (January 2003)
Gamism: Step On Up (June 2003)
Narrativism: Story Now (January 2004)

The Provisional Glossary (May 2004)
Wikipedia article – the diagram is very good except the arrow should stop inside the deepest/most-internal section, not emerge out the other side

An archive of useful threads from the Forge

Setting and emergent story (October 2011)