The game executable and source code are licensed under the GNU General Public License (GPL). See http://www.gnu.org/licenses/gpl.html for details.
Copyright 2006 by Marian Schedenig.

Game content (images, sounds, music etc.) is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.
Copyright 2006 by Paul Guerrero, Max Rieger and Christian Afonso. 