car.blend and associated textures/car*.png: Copyright by Paweł Wojciechowicz. From Cat-astrophe Games http://cat-astrophe-games.com/ . Shared on the same terms as the rest of Castle Game Engine (GPL >= 2 or LGPL >= 2 with static linking exception, see COPYING.txt). Thanks! tunnel_road.jpg Copyright crack.com (creators of "Golgotha" game, never released). From http://opengameart.org/content/golgotha-textures-tunnelroadjpg License: CC0 (public domain)