Glenn Gamble - is a video game artist and designer. Glenn Gamble began his career in 2013 and has worked for companies such as Terminal Reality and Activision Blizzard. Glenn Gamble's first game was The Walking Dead: Survival Instinct which was released 11 years ago. Best Game Glenn Gamble contributed to was The Walking Dead: Survival Instinct. Glenn Gamble's latest work is The Walking Dead: Survival Instinct which was released 11 years ago.