Jaffe is well known for directing the Twisted Metal series and God of War. Jaffe's Twisted Metal: Black and God of War have both ranked into IGN's "Top 25 PS2 Games of All Time", with Twisted Metal: Black in ninth place and God of War winning first place as IGN's best PS2 game of all time. In 2007, Jaffe left SCEA to found Eat Sleep Play. The studio signed a multi-year deal with Sony to create games exclusively for PlayStation platforms. He left Eat Sleep Play in February 2012 due to creative differences. 
In 2014, he announced his first project on his new studio The Bartlet Jones Supernatural Detective Agency called Drawn to Death as a PlayStation 4 exclusive.