USA cities 3D: geography quiz,

Features:

Learn:
* Rotate, zoom and explore 300 famous USA buildings and landmarks in full 3D
* Extreme coverage: 125 cities from 50 states
* Relevant details (original descriptions, year of built, height, address, architect etc.)
* Explore by state, city, category or name
* Learn where on the map objects are located
* Internet links for even more information, photos and more

Quiz:
* Easy to use multiple-choice
* Test your knowledge of landmarks from many cities
* Easy visual learning tool
* 12 questions per quiz
* Multiple levels
* Reveal useful hints for hard questions
* Use 50/50 to remove 2 incorrect answers when a hint is not enough
* Extra points for quick answer
* Learn while playing, by receiving a correct answer every time you make a mistake
* Intelligent system will not repeat questions you correctly answered

* Add your favorite objects to Favorites list, for easy retrieval and reference
* Day and night UI modes
* Vertical and horizontal modes of operation

3D .obj implementation engine by Andres Oviedo