Matthew Simmonds - is a video game composer. Matthew Simmonds began his career in 1993 and has worked for companies such as MicroProse Software, Mythos Games and MicroProse. Matthew Simmonds's first game was X-COM: UFO Defense which was released 27 years ago. Best Game Matthew Simmonds contributed to was X-COM: UFO Defense. Matthew Simmonds's latest work is X-COM: UFO Defense which was released 27 years ago.