Greg Kasavin - is a video game writer and designer. Greg Kasavin began his career in 2011 and has worked for companies such as Supergiant Games and Warner Bros. Interactive. Greg Kasavin's first game was Bastion which was released 10 years ago. Best Game Greg Kasavin contributed to was Hades. Greg Kasavin's latest work is Hades which was released 1 year ago.