File:4D-TRIS 0.2.2.png

4D-TRIS version 0.2.2 (1.5, 2008-01-16).

Xfwm therapy theme (© 2004-2006 Olivier Fourdan) is distributed under GNU GPL.

The game is by Simon László aka Simzer, GPLv3+.

→ the screenshot is under the GNU General Public License, version 3 or any later version published by FSF.