Hedgewars - a Worms-like game.
Distributed under the terms of the GPL licence.

Source, 
images in Data/Graphics, 
sounds in Data/Sounds,
themes "avematan", "bubbles", "tibet"
Copyright 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>

Fonts  
See Fonts_LICENSE.txt

Images in Data/Front, Data/Graphics/Graves, 
themes "ethereal", "norsk", "wood", "xtheme"
Copyright 2005 Alexey Andreev <grayfox@inbox.ru>