The map-acid3dm4.zip file you have requested: Maps Levels Missions / Deathmatch / A Titles / Even Darker - 1.01mb is not available. Perhaps try browsing all files for the game Quake III Arena and upload any files you want to share or are missing. This is the only information we could locate:
My favorite quakeworld map dm6. remake for use with cpma and q3. the textures used are taken from the quake 1 retexturing project. they were the most classic and good looking i could find.