Grzegorz Mazur - is a video game designer. Grzegorz Mazur began his career in 2014 and has worked for companies such as 11 Bit Studios and 11 bit studios. Grzegorz Mazur's first game was This War of Mine which was released 9 years ago. Best Game Grzegorz Mazur contributed to was This War of Mine. Grzegorz Mazur's latest work is This War of Mine which was released 9 years ago.