“You can feel the love almost in every step of the way,” writes one Early Access player of Firefield, a statement that feels almost paradoxical for a retro action RPG built entirely using artificial intelligence. Written by a 45-year-old developer with zero prior programming experience in just three months, the game has emerged as a surprisingly robust, slow-burning tribute to the foundational eras of Diablo and Ultima Online.
The Lore of 1997 and Core Dungeon Crawling
Firefield anchors its world-building in a legendary moment of PC gaming history: the 1997 “Rainz incident,” in which a player famously assassinated Lord British during a public beta test of Ultima Online. In Firefield, this event is recontextualized into a dark fantasy myth. A great king has been slain by a flame called the Fire Field, cast by a figure named Rainz. While the world reviles Rainz, a desperate few worship him as a savior. As one of these loyalists, you descend into a northern cemetery where the dead king is buried, searching for truths hidden deep beneath the soil.
At its heart, Firefield is a methodical, atmospheric dungeon crawler. In its current Early Access build, you explore five increasingly difficult underground floors. The gameplay loop is deliberately traditional: you gear up in the city, descend into shifting, procedurally generated layouts, and fight monsters. Combat here lacks the screen-clearing, hyper-fast chaos of modern ARPGs. Instead, it is a slower, heavier affair that prioritizes careful exploration and survival over flashy combos. It feels less like destroying an entire ecosystem and more like carefully stepping into the unknown.
Loot is the driving engine of the experience. The game features an expansive item system with over 100,000 potential equipment variations, each offering different stat alterations and visual changes to your character’s avatar. The emotional peak of this loop lies in the tension of finding unidentified gear with varying rarities and unique properties, carrying it back to safety, and finally uncovering its true power. Should you fall in battle, the game employs a unique death mechanic where you become a ghost, forced to wander through the reverberations that remain deep underground.

What Players Love
Player reception is unanimously positive, with early adopters praising the game’s distinct, nostalgic texture. Many note that the slower pacing is a refreshing change of pace, offering a tense and rewarding loop that captures the core appeal of classic hack-and-slash games. Players are deeply invested in the nostalgic, gritty art direction and the satisfying dopamine rush of identifying rare items.
The technical achievement is another major point of praise. Using Anthropic’s Claude Code to write roughly 120,000 lines of code and 100 achievements, the solo developer built a custom engine and map editor from scratch, bypassing modern engines like Unity or Unreal entirely. This lightweight design means Firefield requires no dedicated GPU and can run on practically any computer. Additionally, the AI integration has allowed the developer to implement subtitles in 95 languages and full voice dubbing in 70 languages, making the dark halls of the cemetery accessible to a massive global audience.
What Frustrates Players
While the game has won over its initial audience, it does have rough edges. The narrative delivery can feel disjointed. One player noted that they managed to defeat the final boss of the fifth floor “without really understanding what was going on,” expressing a desire for a clearer, more comprehensible story presentation.
Furthermore, players looking for modern gameplay innovations, high-fidelity 3D graphics, or lightning-fast combat will find the game lacking. It is unashamedly a 90s-style experience, which means dealing with simpler mechanics, retro visual assets, and a gameplay loop that relies heavily on a slow, deliberate grind. The game’s current scope is also limited, offering only five floors of exploration in its current Early Access state.
The Verdict
Firefield is a compelling proof-of-concept for the future of solo game development, but more importantly, it is a solid, atmospheric dungeon crawler in its own right. It is specifically designed for players who miss the cold, unforgiving, and mysterious atmosphere of early Diablo and the deep lore of classic Ultima. If you are looking for a flashy, fast-paced modern action game, this will not be for you. But if you want to spend ten dollars to crawl through a dark, grid-based dungeon, identify mysterious loot, and experience an intriguing piece of AI-driven design, Firefield is well worth your time.
Key Facts
- Developer: Robe of Fire
- Publisher: Robe of Fire
- Release Date: May 8, 2026
- Price: $9.99
