All players in an Appletalk or TCP/IP game must have version 1.2 or later. All players should select the same value for "Moves Per Packet" in the Duke Net Startup application, in the Appletalk or TCP/IP Options dialog. It is possible the game may crash when starting up if the resolution can't be changed. If a crash occurs, hold down the Shift key while starting the game to bypass the automatic resolution switching, then turn off the option in this dialog. Quit any other open applications before running the game or choose a smaller screen size/lower detail setting. To play a net game on a user map, each player must select the same user map file in the Duke Net Startup application or via the "Open User Map" File menu item. Make sure you have correctly installed the Communications Toolbox. Make sure you have correctly installed the Communications Toolbox. Make sure you have correctly installed the Communications Toolbox. Make sure you have correctly installed the Communications Toolbox. Make sure you have correctly installed the Communications Toolbox and have the latest version. If the Comm Toolbox is correctly installed, you may need to reduce Duke Nukem's Preferred Memory Size to allow room for it to be opened. Set the preferred size for the Duke Net Startup application to a larger value and try again. Please re-install Duke Nukem 3D from the original CD. Please insert your Duke Nukem 3D CD and start the game again. Make sure you have enough memory available and Duke Nukem 3D is properly installed. You may need to set the "Preferred Size" for Duke Nukem 3D to a smaller number. Make sure Duke Nukem 3D is installed in the same folder as the Net Startup application. Change your name in the Net Startup and try again. Make sure you have correctly installed Open Transport and have the latest version. If Open Transport is correctly installed, you may need to reduce Duke Nukem's Preferred Memory Size to allow room for Open Transport. You may only play against version 1.5 on the PC. Make sure you have installed Duke Nukem 3D properly and the "Duke Files" folder is in the same folder as the Duke Nukem application. Make sure you have installed Duke Nukem 3D properly and the "Duke Files" folder is in the same folder as the Duke Nukem application. Make sure you have installed Duke Nukem 3D properly and the "Duke Files" folder is in the same folder as the Duke Nukem application. Make sure you have installed Duke Nukem 3D properly and the "Duke Files" folder is in the same folder as the Duke Nukem application. Make sure you have installed Duke Nukem 3D properly and the "Duke Files" folder is in the same folder as the Duke Nukem application. Please re-install Duke Nukem 3D from the original CD. Make sure you have enough memory to run Duke Nukem 3D. Quit any other open applications before running the game or choose a smaller screen size/lower detail setting. Make sure you have enough memory to run Duke Nukem 3D. Quit any other open applications before running the game or choose a smaller screen size/lower detail setting. Make sure you have enough memory to run Duke Nukem 3D. Quit any other open applications before running the game or choose a smaller screen size/lower detail setting. Make sure you have enough memory to run Duke Nukem 3D. Quit any other open applications before running the game or choose a smaller screen size/lower detail setting. Make sure MacIPX is installed properly. Make sure MacIPX is installed properly. Make sure MacIPX is installed properly. Make sure MacIPX is installed properly. Make sure MacIPX is installed properly. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Please re-install Duke Nukem 3D from the original CD. Make sure you have installed Duke Nukem 3D properly and the "Duke Files" folder is in the same folder as the Duke Nukem application. Make sure you have enough memory to run Duke Nukem 3D. Quit any other open applications before running the game or choose a smaller screen size/lower detail setting. Switch to 256 colors via the Monitors control panel. System software upgrades are available from your local Apple dealer.