For duke nukem3d 1.3D This will add the Microwave Gun with the GUN ART! and effect no other patch did this before! to run chose Expander.bat and this includes 3 other new weapons to 0:Freeze Launcher 200 4:Spike Cannon 5:Missil Launcher 9000 Email me at Cameron2A9@aol.com please tell me if it worked bye