Stefan Walker - is a video game programmer. Stefan Walker began his career in 1999 and has worked for companies such as Eurocom, 3D Realms, Eurocom Developments, GT Interactive Software and GT Interactive. Stefan Walker's first game was Duke Nukem: Zero Hour which was released 24 years ago. Best Game Stefan Walker contributed to was Duke Nukem: Zero Hour. Stefan Walker's latest work is Duke Nukem: Zero Hour which was released 24 years ago.