Founded in April 1994, the developers at Griptonite Games initially worked as the Seattle division of
Realtime Associates. In 1999, the division was sold to
KnowWonder and named Griptonite with a continued focus on handheld titles. In 2005, Griptonite was absorbed into its parent company, then known as Amaze. After Amaze was purchased by
Foundation 9 Entertainment in November of 2006, Griptonite was reinstated in July 2008 and absorbed Amaze in July 2009. On August 2nd, 2011, Griptonite was sold to
Glu Mobile.