Watch this tutorial on the official Unity Learn pages here: http://unity3d.com/learn/tutorials/projects/2d-ufo-tutorial/introduction-2d-ufo-project?playlist=25844
Questions? Ask in the forum thread here: http://forum.unity3d.com/threads/2d-ufo-tutorial-q-a.381263/#post-2478145
An introduction to the 2D UFO project in which we set up the project and download the required assets.
Help us caption & translate this video!
http://amara.org/v/V60m/
Source