The landscape of indie role-playing games is about to undergo a radical, mycelial transformation. During the highly anticipated PC Gaming Show 2026, publisher Fellow Traveller and visionary solo developer Jump Over The Age—the creative force behind the critically acclaimed Citizen Sleeper series—lifted the veil on their latest project: Signet City.

Described as a "fungalpunk" RPG, the title promises to blend tabletop-inspired mechanics with a haunting, monochrome aesthetic. While details remain scarce, the reveal trailer and initial press materials paint a picture of a world where ecological decay, industrial collapse, and biological mutation collide to create a narrative experience unlike anything currently on the market.

The Genesis of a Fungalpunk Vision

The announcement of Signet City serves as a significant milestone for Gareth Damian Martin, the solo developer operating under the Jump Over The Age moniker. Having spent years crafting the deeply personal, sci-fi-infused narratives of the Citizen Sleeper duology, Martin is pivoting toward a setting that feels simultaneously more grounded in historical reality and more alien in its biological horror.

The game is set in the titular Signet City, a coastal metropolis trapped in a perpetual state of transition. It is a world where nature has not just reclaimed the city, but has fundamentally rewritten its laws. Fungal systems—aggressive, intelligent, and pervasive—have begun to dictate the city’s philosophy, politics, and social hierarchy. As players step into this environment, they are not merely observers of this mutation; they are the catalyst for it.

Signet City by Jump Over the Age Showcases Mushrooms & Monochrome in Reveal Trailer | RPGFan

In a move that challenges traditional player-protagonist archetypes, Signet City places the user in the first-person perspective of an unnamed fungal parasite. This entity does not simply exist within the world; it infects the streets and, more crucially, infiltrates the minds of the citizens. By hopping between hosts, players are tasked with manipulating the city’s destiny, effectively playing a high-stakes game of societal chess where the pieces are human beings struggling to survive amidst rising waters and failing infrastructure.

Chronology of Development and Reveal

The path to Signet City began in the shadow of the success of Citizen Sleeper 2: Starward Vector. Following the completion of that project, speculation mounted regarding Martin’s next move. Would they continue the saga of the Sleeper, or embark on a new intellectual property?

  • Early 2025: Initial rumors began to circulate regarding a new project from Jump Over The Age, hinted at through cryptic social media updates featuring botanical sketches and industrial blueprints.
  • Late 2025: The project entered full production, with Martin focusing on the "monochrome-drenched" visual identity of the game.
  • June 2026 (PC Gaming Show): The official world premiere occurred, accompanied by a trailer featuring the track "Abandon" by the Irish punk band SPRINTS.
  • Post-Announcement: The game’s Steam page went live, confirming it as the primary platform for the initial release, though no official launch date has been set.

The choice of "Abandon" by SPRINTS was far from incidental. Publisher Fellow Traveller emphasized that the song’s raw, aggressive energy is "rooted in the same underground culture inspiring the game." It sets the tone for a narrative that is meant to feel gritty, desperate, and deeply human despite the presence of otherworldly fungal influence.

Supporting Data: The Mechanics of Infection

At its core, Signet City is a narrative-driven RPG that utilizes tabletop-inspired mechanics to ground its speculative fiction. The player, acting as the parasite, must navigate the emotional landscapes of their hosts. Because each host is a distinct individual with their own fears, motivations, and loyalties, the player’s ability to influence the city is inextricably linked to their ability to manipulate—or empathize with—these hosts.

Signet City by Jump Over the Age Showcases Mushrooms & Monochrome in Reveal Trailer | RPGFan

The Philosophy of the Fungal

The city is built on the premise that environmental catastrophe leads to societal fracture. The fungal infestation acts as a lens through which the developers explore the "familiar struggles of labour, power, and ecological crisis." By stripping away the color of a modern city, the developers have forced the focus onto the silhouette, the shadow, and the grain of the environment.

Artistic Direction

The visual style of Signet City is a masterclass in atmospheric design. Influenced by 1980s UK industrial cities—think the grit of northern urban centers during the Thatcher era—the game draws heavily from:

  • Black and White Documentary Photography: Providing a grounded, stark realism.
  • Screentoned Manga: Lending a stylized, sharp-edged aesthetic to character interactions.
  • Pen and Ink Illustrations: Creating a "pulsing" organic texture that permeates the screen.

The result is a "dark dream" that feels like a history lesson from a parallel dimension, where the industrial revolution met a biological plague that never quite finished its work.

Official Perspectives and Intentions

In various communications, Jump Over The Age has emphasized that Signet City is a "dream" rather than a simulation. The goal is to evoke the feeling of the 1980s—a time of intense social and economic friction—and reimagine it through a lens of total ecological collapse.

Signet City by Jump Over the Age Showcases Mushrooms & Monochrome in Reveal Trailer | RPGFan

"The Signet City is a place where tensions and waters rise simultaneously," the development team noted in their official press release. "We want players to feel the weight of their choices. You are not a hero; you are a catalyst. You are the infection that forces the city to reckon with its own fragility."

By moving away from the space-faring setting of their previous work, Martin is attempting to prove that the "small-scale" RPG can be just as impactful as a sprawling galaxy-spanning epic. By trapping the player in a single, decaying city, the stakes become personal, immediate, and inescapable.

Implications for the Genre

The arrival of Signet City suggests a shifting trend in indie game development toward "weird" narrative RPGs. As players continue to demand deeper, more mechanically integrated storytelling, the genre is moving away from generic fantasy and toward highly specific, atmospheric sub-genres like "fungalpunk."

The Rise of the Parasite Protagonist

Typically, RPGs offer the player a role as a savior, an adventurer, or an agent of change. By positioning the player as a parasite, Signet City flips the moral compass. Does the parasite exist to destroy the city, or to force it to evolve in a way that might ultimately save it? This ambiguity is likely to be a central pillar of the narrative, forcing players to grapple with the ethics of their influence.

Signet City by Jump Over the Age Showcases Mushrooms & Monochrome in Reveal Trailer | RPGFan

The Sustainability of the Indie Model

With the ongoing success of titles like Citizen Sleeper, Jump Over The Age has established itself as a reliable voice in the indie space. The partnership with Fellow Traveller—a publisher known for supporting unconventional, high-concept narratives—suggests that Signet City will receive the support it needs to reach a wide audience, despite its niche aesthetic and themes.

Final Reflections

As of June 2026, Signet City remains a tantalizing mystery. We know it will be a first-person RPG, we know it will be set in a hauntingly beautiful, ink-stained version of a 1980s coastal city, and we know it will challenge our perception of what it means to be a "protagonist."

While we wait for a firm release date, the anticipation is building. For fans of narrative-heavy games who enjoy the intersection of tabletop mechanics and philosophical questioning, Signet City is already positioning itself as a must-play. It represents the maturation of the indie RPG scene—a space where developers are no longer afraid to embrace the strange, the dark, and the biologically complex.

Whether the city falls to its fungal fate or finds a new way to exist remains to be seen. But one thing is certain: when the gates to Signet City finally open, we will all be eager to see what grows in the shadows. Stay tuned to RPGFan for further updates as this fungal fever dream continues its journey toward release on Steam.

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