I think it is, and so does most people who aren't mods (I think). Seriously, well, well, well,....you get the picture, done! I love the title screen too.
Suggestion, might be a lot of work but change the windowskin every dimension? Also, the maps need defining to clearly indicate the entrances and exits. Otherwise players will say "fuck the brilliant storyline, beautiful graphics and gorgeous music, this game's functionality is retarded!"
I can help you out with more maps if you want.