It should really come with a new set of demo and beginner content.
(such as a new set of models and a fully new standard.wad,
and some examplegames to play around)

You should post a content competition for that purpose.

Some small recent games of mine:
Griefer 4k http://damocles11.byethost9.com/griefer4k.html
Kobold 4k http://damocles11.byethost9.com/kobold.html
Cave 4k http://damocles11.byethost9.com/cave4k.html