The darkness.zip file you have requested: Modifications / Halo Trial Mods / SilentKILLA's Darkness Mod - 27.05mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
Two more floors at blue base, a giant wooden wall at red, lots more shees, enhanced graphix (blood, light, walls etc.), blood covered spartans and weapons, vehicle hits don't hurt as much, just download this mod to see the rest. (Halo Trial) Lots of black fog and log buildings.