Castle co-founded
Westwood Studios with
Brett Sperry in 1985. Castle has multiple credits on Westwood games, including executive producer, technical director, and art director for the 1997 video game
Blade Runner. Castle is also known for his contributions to multiple games in the
Command & Conquer series. Westwood was acquired by EA in 1998, and Castle continued on with EA in a number of executive and creative roles. From 2003 to June 2009, Castle was Vice President of Creative Development at the Los Angeles studio of Electronic Arts (
EA Los Angeles). On July 15, 2009, Castle joined
InstantAction as the new
CEO of
GarageGames. After InstantAction was shut down in November 2010, Castle went on to become Senior Advisor for Premium FanPage in January 2011, and later joined
Zynga as VP of Studios. Castle took a detour out of the video gaming industry to serve as Chief Strategy Officer for Shufflemaster (which became
SHFL entertainment) in late 2011. He returned to video games as Creative Director for
Kixeye's
War Commander: Rogue Assault which launched worldwide in 2016. On March 9, 2017, Castle became the head of the newly formed
Amazon Game Studios Seattle. ==Games==