You can define your own objects, transitions, controls and actions.It is free and open source (GPLv2).
An example of a 3D menu similar to the original Tomb Raider 2 menu, it contains some weapons and a similar background. The menu control is binded to two html buttons and also the name of the selected element is displayed in a html tag under the menu.
You can download the minified version right now, or get it from github
Feel free to get in touch with me
jignacio.amelivia@gmail.com