games vapier@gentoo.org Mike Frysinger industri is a Quake based, single player game using a modified version of the Tenebrae 1.x engine. The Tenebrae engine is an Open Source (GNU GPL) modification of Quake that brings per-pixel lighting, stencil shadows, hi-res textures, bumpmap and normalmaps to the gaming experince. The focus of industri is a rich single-player game and engine. There is no multi-player at all.