Originally Posted By: AlbertoT

For example Unity3d does not allow vertices manipulation

Ups. Sure? That's interesting...what does it allow. I guess there is something like vec_for_vertex - but no vec_to vertex?

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