Firebirds is a rewrite of the firebirds game published for an XNA tutorial by 
the magazine c't (9/2011, p 184) and developed by Alfred Bigler. 

The images, videos and sounds in the media/ directory are Copyright (C) Alfred
Bigler and distributed under the CC BY-SA 3.0 License by his permission. See 
http://creativecommons.org/licenses/by-sa/3.0/ for the complete license text.