Hexdd.wad V1.1

This is version 1.1 of the official Hexen: Deathkings of the Dark Citadel game data file (WAD). This file contains the data for the expansion pack, including 20 new single-player levels, two new deathmatch levels, and unique artifacts and enemies.

This updated version addresses critical bugs found in the initial retail release, specifically focusing on compatibility with source ports and fixing broken level progression triggers. hexdd.wad v1.1

Hexen: Deathkings of the Dark Citadel is the official expansion pack for Hexen: Beyond Heretic. While it was initially sold in stores as a standalone disc, it required the original Hexen data to run. In the modern Doom/Hexen modding community, this expansion is known technically as HEXDD.WAD. This is version 1

The v1.1 designation is significant because it includes bug fixes that plagued the initial retail release (specifically breaking level progression bugs), making it the only truly playable version of the expansion today. So: hexdd

Unfortunately, hexdd.wad is not a standard or well-known WAD file for classic Doom/Hexen engines.

Based on the name and version (v1.1), it is likely one of the following:

So:
hexdd.wad v1.1 is likely the main game data file for the Hexen: Deathkings of the Dark Citadel expansion pack (version 1.1).