Mattias Filler - is a video game writer. Mattias Filler began his career in 2009 and has worked for companies such as Piranha Bytes and Deep Silver. Mattias Filler's first game was Risen which was released 15 years ago. Best Game Mattias Filler contributed to was Risen. Mattias Filler's latest work is Risen which was released 15 years ago.