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A Force More Powerful: The Game of Nonviolent Strategy (2006), International Center on Nonviolent Conflict, York Zimmerman Inc.
Caesar IV (2006), Sierra Entertainment, Inc.
Sid Meier's Civilization III: Conquests (2003), Atari, Inc.
Emperor: Rise of the Middle Kingdom (2002), Sierra Entertainment, Inc.
Zeus Official Expansion: Poseidon (2001), Sierra On-Line, Inc.
Cleopatra: Queen of the Nile (2000), Sierra On-Line, Inc.
Zeus: Master of Olympus (2000), Sierra On-Line, Inc.
SWAT 3: Close Quarters Battle (1999), Sierra On-Line, Inc.