The map/level "OperaHouse" is licensed by "Juliana Stein" under the Creative Commons Attribution-NonCommercial 3.0 Unported License. See, http://creativecommons.org/licenses/by-nc/3.0/ for an explanation of this license.

The textures graffiti_01, graffiti_02, graffiti_03, graffiti_04, coffin_wood, and ghetto_wall_02, and related files are licensed by "Juliana Stein" under the Creative Commons Attribution-NonCommercial 3.0 Unported License. See, http://creativecommons.org/licenses/by-nc/3.0/ for an explanation of this license.

The "grimmnight_" skybox textures were made by Jockum Skoglund (aka hipshot)