Don’t Blow It: Successful Franchises (GDC 2004)

Play Early, Play Often: Prototyping Civilization 4 (GDC 2006)

Civilization IV: Prototyping (Civilization Chronicles)

Playing to Lose: AI and Civilization (GDC 2008)

Theme is Not Meaning (GDC 2010)

A Study in Transparency: How Board Games Matter (GDC 2014)

Offworld Trading Company: An RTS Without Guns (GDC 2017)

Rules of the Game: Know Your Inheritance (GDC 2018)