You're going to have to be way more specific than that if you want some advice. All I can say right now is "gee, that kinda sucks", which doesn't help you at all. --Eric
I'm guessing that the scene isn't added under "Build Settings". But this is only a guess, because of what Eric said. Please be more specific.
for me... i cant open play mode and all the scripts in my project were like unimported if that makes sense... also i can only play it when i build it. edit: omg i just realised that you guys posted this in 2009!!!