opengl vs 3d engine

[Avijit]

hey, guyz. i am begininer in opengl. so i want to know what is the 3d engine? is it neccesary for 3d game programing? can i make 3d game using only opengl? explain plz...

[LB]

You can make any 1D, 2D, or 3D game you want with just OpenGL, but this kind of restriction is going to be painful. There are many things which make using OpenGL much easier, and you will be reinventing them by not using them.