Play Diablo 1

Play Diablo 1 online in your browser, buy it DRM-free on GOG, or run DevilutionX on any platform. The 1996 classic that launched the ARPG genre — three ways to play Diablo 1 today.

DiabloWeb is a WebAssembly port of Diablo built on the devilution reverse-engineered source code. The shareware demo plays instantly — no download, no install. Works on desktop and mobile.

Own the full game? Drag your DIABDAT.MPQ file onto the page for the complete experience — all 16 dungeon levels, all quests, all three difficulties.

The official DRM-free digital release. Includes compatibility patches for modern Windows, the original Battle.net multiplayer client, and works out of the box. This is also how you get DIABDAT.MPQ for the browser version.

Hellfire expansion is sold separately on GOG for $9.99 — adds the Monk class, two new dungeon areas (Hive and Crypt), and new items/spells.

An open-source engine that runs D1 on everything — Windows, Mac, Linux, Nintendo Switch, Android, iOS, PS Vita, and more. Adds widescreen support, controller support, and quality-of-life improvements while keeping the original gameplay intact.

Requires your own game files (DIABDAT.MPQ from GOG or original CD). Supports both Diablo and Hellfire.

1. Buy Diablo from GOG.com ($9.99, DRM-free)
2. Install the game — default path is C:\GOG Games\Diablo\
3. Find DIABDAT.MPQ in the install folder (it's about 516 MB)
4. Open DiabloWeb in Chrome, Firefox, or Edge
5. Drag and drop DIABDAT.MPQ onto the browser window
6. Play! All 16 levels, all quests, all three classes. Saves persist in your browser.

Frequently Asked Questions

DiabloBytes does not host, distribute, or embed any Diablo game files. All links point to external resources. Diablo® is a registered trademark of Blizzard Entertainment, Inc. The shareware version of Diablo was freely distributed by Blizzard in 1996-1997. DevilutionX is an open-source project that requires legally obtained game files.