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Description says it has high resolution support, but it runs in 640x480?

Not sure if this was an official update or something else, but I remember being able to play local multiplayer and a few more classes, barbarian and bard I think? Some quests seems to be missing too, this might also have been something unofficial?
Post edited June 05, 2019 by theAnton81
The additional classes and quest have to be unlocked by creating a file containing some keywords. They decided to hide them because Blizzard only gave them permission for one additional class and they didn't like that quest.
The Barbarian and Bard are techincally unfinished. They can still be accessed, but I don't remember how.
Found it. Create command.txt in the hellfire directory and add the following line:

cowquest;theoquest;bardtest;multitest;barbariantest;
Yup, that sounds familiar, thanks.

No multiplayer though, seems we might need a modified dll for that.

Update: With a modified dll I've been able to get multiplayer to appear on the menu, but after typing in a name I get "Unable to create character."
Post edited June 05, 2019 by theAnton81
Just use "Hellfire Enhanced", replace orignal files with the ones provided by this mod. It's Single Player anyway, and i doubt there will be any type of fixes or further patches.

https://www.moddb.com/mods/hellfire-enhanced/downloads

[Edit]

Hmm there is really something else at play, no matter if i replace every single file from the "hellfire" folder with original CD Hellfire files it will still not allow to create new character in MP... very weird, maybe Blizzard allowed Hellfire with the condition that they somehow force MP to not be enabled. I even tried with the Hellfire Ehnanced files and still the same, there is something funky going on with that specific hellfire inside the GOG Diablo folder.

[Edit]

Yes, confirmed. It seems GOG or Blizzard completely blocked any form of modification to the "hellfire" folder. I tried to rename the original GOG hellfire folder to "hellfire_bak" and then put my fully working hellfire folder that i been using to play with buddies in MP, then went in game and i could not start or create MP Character. As long as the modded hellfire is outside GOG folder Structure it will work. Not much of a problem really, just mod the hellfire folder and then place it anywhere outside GOG folder.
Post edited June 05, 2019 by EtaYorius
Don't forget

CRYPTART; NESTART;
I can't check for myself right now, but it's still possible to run the original, unmodified and completely untouched Diablo, right?
avatar
Swedrami: I can't check for myself right now, but it's still possible to run the original, unmodified and completely untouched Diablo, right?
Yes, when you launch Diablo on GOG the option to play Hellfire will be there. It basically runs on a sub folder separated from Diablo.
avatar
Swedrami: I can't check for myself right now, but it's still possible to run the original, unmodified and completely untouched Diablo, right?
avatar
EtaYorius: Yes, when you launch Diablo on GOG the option to play Hellfire will be there. It basically runs on a sub folder separated from Diablo.
Just what I wanted to hear, cheers.