Pi Studios was a computer game software developer founded in 2002 by Robert Erwin, John Faulkenbury, Rob Heironimus, Dan Kramer and Peter Mack whose first commercial work can be found in Activision's Call of Duty: United Offensive. The company originated in Plano, Texas and relocated to Houston, Texas in January, 2005.In November, 2005, Pi Studios released Call of Duty 2: Big Red One for the PlayStation 2, the Xbox, and the GameCube.