Game · Released

Diablo 1 HD Mod (Belzebub)

The mod is fully playable in English. For other supported languages, localization is partial: while all UI elements remain in English, lore documents and quest content are translated. Belzebub, or Diablo I HD Mod, is a complex modification for the first installment of the Diablo series, which introduces a number of interesting improvements to the gameplay, a lot of new content and - most importantly - increased resolution. Belzebub enriches the cult Diablo series with a real mass of intriguing content, presenting it all in HD resolution. The modification adds new locations, missions, spells, s

Release date
September 2, 2025
Platforms
Windows
Developer
Noktis
Publisher
Noktis
Diablo 1 HD Mod (Belzebub) artwork
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About Diablo 1 HD Mod (Belzebub)

The mod is fully playable in English. For other supported languages, localization is partial: while all UI elements remain in English, lore documents and quest content are translated. Belzebub, or Diablo I HD Mod, is a complex modification for the first installment of the Diablo series, which introduces a number of interesting improvements to the gameplay, a lot of new content and - most importantly - increased resolution.

Belzebub enriches the cult Diablo series with a real mass of intriguing content, presenting it all in HD resolution. The modification adds new locations, missions, spells, skills and monsters, 204 unique items, 170 crafting recipes, several new character classes (Warrior, Sorcerer, Rogue, Necromancer or Barbarian), 28 sets and 105 set items, four difficulty levels available in the single player mode, as well as a host of other gameplay improvements.

The developer has also thought of a few additions in terms of interface, support for widescreen, and - as we have already mentioned - full integration with the new Windows systems. There is no denying that there is a lot to it, so every fan of the series, especially of the ‘one’, will undoubtedly not pass by this modification indifferently.…

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Diablo 1 HD Mod (Belzebub) artwork
Diablo 1 HD Mod (Belzebub)GOG · Game · Available
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Diablo 1 HD Mod (Belzebub) reviews & player comments

Store ratings and available player reviews. Review snapshots show their last refresh date.

★ 8.8/10GOG · 692 ratings
GOGLast checked November 3, 2026

Most helpful8

★ 5 / 5
I've been playing this mod for a few years and I must say, is quite hard going back to vanilla Diablo 1 after playing it.…
★ 3 / 5
My reason for writing this review is to try and let players know what they're getting into before investing hours of gameplay and, potentially, hitting…
★ 5 / 5
It's the most fleshed-out vanilla D you could ask for, with lots of polish, bug squishes and restored content. (That Butcher cutscene!) If you want…
★ 5 / 5
Only at dungeon level 3 so far, playing as necromancer, but so far a great experience. This mod takes the original Diablo and makes and…
★ 5 / 5
Classic Diablo with everything you wanted to have! Nostalgic yet exciting gaming experience.
★ 4 / 5
I haven't played much of this mod yet but at face value it is pretty slick! It would appear to be a huge win for…
★ 2 / 5
So they've added a whole lot of content, made some QoL improvements, and increased the resolution for play on your modern screen, so why am…
★ 3 / 5
The only mod I really needed was a high res mod and the ability to zoom out a bit. This mod does that but way…

Most recent8

★ 5 / 5
I'm sooooo glad that HD Mod (Belzebub) for Diablo 1 has been added to GOG platform. Saves a lot of people coping files from one…
★ 5 / 5
Better than an already Amazing game, adds soooo much to the original, fixes QOL issues and gives a fresh breathe of life to the original…
★ 5 / 5
The Great mod! It’s a pity there’s no gamepad support like in DevilutionX, but it’s amazing! It doesn’t deviate from the original, like Hell 2,…

Short excerpts linked to their source. The score above uses aggregate storefront ratings—not these few comments.