Go, Nemesis, go!
It looks atmospheric and has a nice touch!
I would avoid any straight and modern looking 'carpets' or 'ways'.
Stay with the curvy stile, please! ;\)

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