A simple way would be if you could write an external function, wich extracts all
the files at runtime to a folder where 3dgs can read it, and erases them after the game
exits.

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