Jon Mavor - is a video game designer, programmer and director. Jon Mavor began his career in 2014 and has worked for companies such as Uber Entertainment. Jon Mavor's first game was Planetary Annihilation which was released 10 years ago. Best Game Jon Mavor contributed to was Planetary Annihilation. Jon Mavor's latest work is Planetary Annihilation which was released 10 years ago.