I rather use the free engines thank you
Irrlicht: http://irrlicht.sourceforge.net/
here's a game made with the engine:

Ogre 3D: http://www.ogre3d.org/
Here's a game with that engine

All you need is a C++ IDE that you can get for free as well and there you go :)
I'm currently using Irrlicht and I'm very impressed







