Quote:

So - going into complex geometry like these few (still unfinished) buildings, sucks framefrate and makes you wonder, what ways there may be to circumvent these problems.



Maybe, this could help you: Lutz Tewe's culling system

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