This isometric strategy RPG, a foundational title in the action-RPG genre, tasks you with battling hordes of monsters in real-time across randomized dungeon levels beneath the town of Tristram in the Kingdom of Khanduras. You seek to defeat Diablo, the Lord of Terror, by gaining experience, gold, and equipment to strengthen your hero. Its core loop blends immediate action with deep character progression systems, offering a distinct challenge on PC, Mac, and PlayStation platforms.
The narrative unfolds in the fictional Kingdom of Khanduras, situated within the world of Sanctuary. The player assumes the role of a solitary hero tasked with eliminating Diablo, the Lord of Terror. The journey requires descending beneath the town of Tristram through sixteen distinct dungeon levels, culminating in a final confrontation with Diablo in Hell itself.
The primary gameplay loop focuses on dungeon crawling and character development. Players must continuously engage in combat to accumulate the necessary resources—experience, gold, and gear—to survive deeper incursions. Since all interactions are handled in real-time, strategic positioning and rapid decision-making are crucial components of survival.
Key mechanics include character progression through leveling, inventory management for loot, and utilizing skills and spells against overwhelming enemy forces.
The game's distinctiveness lies in its successful fusion of real-time action pacing with deep RPG systems. Furthermore, the randomized generation of dungeon layouts ensures that each playthrough presents a novel tactical challenge, significantly boosting replayability by preventing predictable map navigation.
The core experience is supplemented by one official expansion pack. There is no listed downloadable content (DLC) associated with this main title.
The game was initially released on PC (Microsoft Windows) and Mac, with subsequent availability on the original PlayStation console.
The cycle is defined by continuous monster slaying to gain power, which in turn facilitates deeper exploration into the randomized dungeons. This constant feedback loop of combat, acquisition, and character enhancement drives the player forward toward the ultimate objective.

A cancelled Game Boy version of the Playstation game Diablo. Why it was cancelled is unknown, but a tech demo was produced and never shown to the public.

DevilutionX is a port of Diablo and Diablo: Hellfire that strives to make it simple to run the game while providing engine improvements, bugfixes, and some optional quality of life features.

The Hell 2 is a total conversion for Diablo, boasting a new renderer, many QOL improvements, more fine-tuned difficulty settings and tons of new content: ranging from new locations, quests, items and enemies to 36 total class archetypes.

Stoked by the forges of Hellfire burns the first and only authorized expansion of the Diablo universe. This fiery new tale finds you face-to-face with the evil of Na-Krul. Once the servant of Diablo, now this hideous demon plans to depose his master as the lord of all evil. In this all-new single player missing, you alone must descend into new levels of danger. Exploring never-before-seen depths of savage brutality. Gain new weapons, powers and strengths in the attempt to defeat the demon Na-Krul. Then, if you live, battle an even stronger Diablo than ever before