Prototype · DEVLOG

Diablo 3D video update: controls, Tristram and the Cathedral

Gameplay recorded by Douglas and historical previews show controls, the HUD, Tristram, Ogden and the Cathedral. Horizontal video and Short with English subtitles and development limitations.

D3D Project2 min read

AI-generated atmospheric illustration

Diablo 3D project identity banner; this is not a gameplay capture.
Diablo 3D project identity banner; this is not a gameplay capture.

Watch the devlog

The devlog is available as a horizontal video and a vertical Short. The narration is in Portuguese; both versions have English subtitles and translated titles and descriptions. Enable CC in the player to choose subtitles.

DEVLOG · 09/10/2026

Today’s devlog, on video.

Controls, the HUD, Tristram, Ogden and the first Cathedral pilot. The goal remains all of Diablo 1 in 3D.

Horizontal devlog · 39 s

Controls, Tristram and the Cathedral

Portuguese narration · English subtitles

Gameplay recorded by Douglas and historical previews. The narration records preparation before Ogden and the Cathedral pilot were integrated; artwork, camera behavior and performance remain under review.

Vertical Short · 39 s

Controls, Tristram and the Cathedral

Portuguese narration · English subtitles

Gameplay recorded by Douglas and historical previews. The narration records preparation before Ogden and the Cathedral pilot were integrated; artwork, camera behavior and performance remain under review.

You can also find character showcases and soundtrack videos in the video gallery.

From gameplay to historical previews

The video brings together configurable movement keys, menu and HUD adjustments, Tristram's proportions and colors, an Ogden animation preview and Cathedral tests. The edit combines gameplay captured by Douglas with earlier replays, offscreen tests and illustrations, identified in the video.

The narration records preparation before Ogden and the Cathedral pilot were integrated. That historical context has been preserved. In the documented October 9 update, the technical Cathedral pilot is already installed across nine nearby regions on the standard first floor. Shapes, doors, artwork, camera behavior and gameplay performance remain under review; the other floors and quest levels retain the native presentation.

Tristram is the first stage. The goal is to rebuild all of Diablo 1 in 3D, including every level. This update does not announce a finished game release.

Credits and participation

Narration produced with ElevenLabs using Douglas Pan's authorized synthetic voice. Music: Tristram, originally composed by Matt Uelmen for Diablo (Blizzard Entertainment), in a cover/reinterpretation produced by Douglas Pan using AI.

The code retains the inherited Sustainable Use License, with free, non-commercial distribution. Original Diablo game data is required to play and is not distributed by the project. Diablo 3D is an independent fan project, not affiliated with or endorsed by Blizzard Entertainment.

Follow our progress on Discord, see how to contribute or learn about optional development support.

Keep following along.

Prototype

Two gameplay cameras and Cathedral continuity

October 10 local update: opaque Cathedral walls, preserved door and grate openings, and native item names in 3D. Gameplay and artwork remain under review.

5 min read
Geometry

Cathedral: native materials and lighter transparency

The first-floor pilot receives floors, masonry and wood from the original, with explicit visual approximations. Regional copying reduces the measured transparency cost; shapes, doors and gameplay still need review.

7 min read
Geometry

Cathedral: a 3D pilot reaches the first floor

The installed technical pilot draws nine nearby regions on the Cathedral's standard first floor. Simple geometry, GPU recovery and preserved native data; artwork and review in a play session remain pending.

4 min read

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