The hddl_v1.1.zip file you have requested: Maps / Single Player / Hddl_v1.1 - 16.11mb is not available. Perhaps try browsing all files for the game Return To Castle Wolfenstein and upload any files you want to share or are missing. This is the only information we could locate:
Changes on Version 1.1:1-Added all RCD files.2-Added missing textures.3-Added one sound(music) for level 5.4-Some soldiers were changed on the level 4. 5-It was modified the end of the level that would be the level 5.