Did you know about these mods?
http://gamergy.ru/3dgm.html
They are worth a try as playability has been greatly improved with new controls.
3D Game Maker MODs by krt17
Moderator: druellan
Re: 3D Game Maker MODs by krt17
Yes, I recall them. I would swear that there was a discussion on WOS about them recently buy somehow can't find it now.