Write in the WINDOW WINSTART something like this:

COMMAND "-diag";

before publishing or resourcing, maybe you have to create the starter via publish in WED, too. I don't know, at least, I checked the starter box and it works, when I published my game.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt