IWAD selection box
The IWAD selection box is a special
The IWAD selection box can be disabled by setting the queryiwad console variable to false. This can be done from the miscellaneous options menu.
The dialog remembers which was the last choice made and will preselect it. If the "Don't ask me this again" box is checked, this choice will be kept for each run of ZDoom, until it is enabled back. This can be done from the menu, by editing the configuration file, by changing the variable through the console or menu, or by holding the "Shift" key while starting ZDoom.