Gareth Clarke - is a video game programmer. Gareth Clarke began his career in 2005 and has worked for companies such as Headfirst Productions and Bethesda Softworks. Gareth Clarke's first game was Call of Cthulhu: Dark Corners of the Earth which was released 19 years ago. Best Game Gareth Clarke contributed to was Call of Cthulhu: Dark Corners of the Earth. Gareth Clarke's latest work is Call of Cthulhu: Dark Corners of the Earth which was released 19 years ago.