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Heretic 1 Textures By Raven Software, (c) Raven Software Converted by Tronyn using the Doomtex program. Notes: These didn't convert awfully well to Quake, some work, some don't. This wad, in combination with Dilvish' wad which has textures based on those from Heretic, and a bit of editing ability yourself, is what you need to make a truly Heretic-styled level for Quake.