UnderRail

A Subterranean Masterclass in Old-School RPG Rigor

by Stygian Software

RPG gameSteam$14.99

Reviewed by the Rankeno RPG & Adventure DeskUpdated Oct 2026

UnderRail is a RPG game for Steam. Solid and rewarding for the right audience, but flawed in ways that matter. It scores 7.9 out of 10 — Good.

7.9Good#99 of 197 Indie games

How it scored How we score

  • Design8.0
  • Innovation6.5
  • Value8.5
  • Utility7.5

In one line

UnderRail delivers a sprawling, punishingly deep isometric RPG for those who crave the granular complexity of classic PC gaming, often at the expense of modern niceties.

Released Dec 18, 2015

The verdict

Solid and rewarding for the right audience, but flawed in ways that matter.

What we liked

  • Uncompromisingly deep tactical combat
  • Extensive character customization & build variety
  • Rich, atmospheric world-building
  • High replayability due to diverse approaches

What could be better

  • Extremely steep learning curve
  • Initial lack of guidance and tutorialization
  • Storyline and characters can feel secondary
  • Visuals are functional, not flashy (for some)

Is it for you?

Best for

  • Hardcore CRPG enthusiasts seeking a challenging and intricate experience reminiscent of classic Fallout.
  • Players who enjoy deep system mastery and extensive character building.
  • Those who appreciate unforgiving difficulty and tactical turn-based combat.

More reviewed in Indie

Overview

Stygian Software’s UnderRail is a stark, uncompromising entry in the crowded landscape of role-playing games, a deliberate throwback to a golden age of PC RPGs that prioritized player agency, intricate systems, and unforgiving challenge. Launched on December 18, 2015, this independent creation isn’t concerned with mainstream appeal; it is a careful homage to the likes of early Fallout, transporting players to a grim, post-apocalyptic future where humanity clings to existence within a vast, subterranean metro network. The Earth’s surface, now a blighted wasteland, forces the last remnants of civilization into a desperate struggle for survival in the titular “Underrail.”

This isn’t a game that holds hands. From its opening moments, UnderRail demands an investment from the player, expecting them to engage with its dense mechanics and expansive lore without extensive tutorialization. Its market positioning is clear: it caters specifically to a niche, yet fervent, audience of hardcore CRPG enthusiasts who yearn for deep character building, tactical turn-based combat, and a world that feels genuinely dangerous and reactive. The game’s isometric perspective and pre-rendered backgrounds evoke a nostalgic warmth for veterans, while its brutal difficulty ensures that only the most dedicated will see its labyrinthine narrative to fruition. Stygian Software has delivered not just a game, but a statement—a declaration that complexity and player-driven narrative can still define the genre, even if it alienates those seeking a more streamlined experience.

Key features

  • Deep & Challenging Turn-Based Combat: Engage in tactical encounters where positioning, cover, action points, and character abilities are paramount. Every decision in combat carries significant weight, often determining survival.
  • Extensive Character Customization: Inspired by the classic SPECIAL system, players sculpt their character through a vast array of stats, skills, feats, and psi abilities, allowing for highly specialized and diverse builds, from stealthy assassins to heavy weapons specialists.
  • Intricate Storyline & Faction Conflicts: Navigate a complex narrative set amidst the power struggles of various factions vying for control and resources within the unforgiving underground environment. Player choices significantly impact alliances and outcomes.
  • Elaborate Item Crafting & Subterfuge Skills: Create a wide range of weapons, armor, and utilities through a detailed crafting system. Alternatively, employ a suite of subterfuge skills like stealth, lockpicking, hacking, and trap deployment to overcome obstacles and adversaries without direct confrontation.

Analysis

UnderRail operates on a principle of deliberate friction, designed to reward persistence and strategic foresight. The gameplay loop is one of exploration, resource management, and brutal, often unforgiving, turn-based combat. Players will spend significant time carefully examining their surroundings, searching for vital components for the robust crafting system, deciphering environmental clues, and preparing for the next encounter. This deliberate pace is not for everyone; instant gratification is an alien concept here. Success hinges on a deep understanding of its systems—how each skill point invested, each feat chosen, and each piece of equipment crafted contributes to a viable character build capable of overcoming the game’s formidable challenges.

The character customization is arguably the game’s most compelling feature, offering a level of depth rarely seen in modern RPGs. The freedom to create truly unique builds, combining conventional combat styles with psi abilities or subterfuge skills, encourages multiple playthroughs and extensive experimentation. However, this freedom comes with a significant caveat: suboptimal choices can render a character effectively unplayable in later stages, necessitating a restart. This inherent difficulty curve is both a blessing and a curse; it fosters a strong sense of accomplishment but simultaneously erects a barrier to entry for casual players. The “oddity system” for experience gain further reinforces exploration, rewarding players for discovering new areas and engaging with the world rather than simply grinding combat. This subtle design choice nudges players towards a more holistic engagement with the world, encouraging them to uncover its secrets and lore organically.

While the world-building is rich and the atmosphere thick with oppressive dread, the narrative and character interactions sometimes feel secondary to the system mastery. The intricate lore of the various metro station-states and their inhabitants provides a solid backdrop, but the individual storylines, while complex, can occasionally lack the emotional resonance found in more character-driven RPGs. The writing is functional and effective in conveying the bleakness of the setting, but the NPCs, while often providing compelling quests, rarely transcend their archetypes. This makes the tactical combat and the exploration of the labyrinthine environments the primary drivers of engagement. The sheer scope of the underground world is impressive, encouraging extensive exploration, but navigating it can sometimes feel cumbersome due to the lack of modern quality-of-life features. The interface, while functional, is utilitarian, reflecting the game’s old-school design philosophy. It provides all necessary information but does so without much aesthetic flair or intuitive streamlining, contributing to the initial learning curve.

Visuals & performance

UnderRail embraces a distinctly utilitarian visual style. Its isometric, hand-drawn 2D graphics are far from cutting-edge, yet they contribute significantly to the game’s grim, oppressive atmosphere. The aesthetic decision leans heavily into functionality, ensuring environmental details are clear enough for tactical planning without sacrificing the overall mood. Character models are appropriately detailed for the perspective, and enemy designs are often unsettling, reinforcing the game’s dark themes. The user interface, while information-rich, is stark; its functionality outweighs any overt attempts at modern design principles. It works, but it demands attention rather than guiding it. As a 2D game of this scope, it is light on hardware demands by design—a sensible fit for a title that emphasizes system depth over graphical fidelity.

Platform nuances

Available on Steam for $14.99, UnderRail is inherently designed for a traditional PC gaming experience. The game’s reliance on precise mouse control for tactical movement, targeting, and interface navigation, coupled with keyboard shortcuts for managing character sheets, inventory, and abilities, makes it a quintessential mouse and keyboard title. A controller-based input scheme would undoubtedly compromise the granularity and speed required for effective play, particularly in its dense inventory management and tactical combat scenarios. This is a game best experienced at a desk, allowing for the deliberate, methodical play it demands.

Final verdict

UnderRail is a demanding proposition for a specific type of player. Stygian Software has delivered a product of unwavering vision, a potent distillation of what made early isometric RPGs so compelling. It demands patience, careful planning, and a willingness to learn its intricacies, often through repeated failure. For those prepared to meet its demands, the rewards are substantial: a satisfying tactical combat engine, a deep character development system, and a world steeped in a palpable sense of dread and mystery. But its archaic interface and brutal difficulty will deter many, and the narrative never quite matches the strength of its systems. We recommend it to the right audience only: UnderRail is a solid, focused, uncompromising design that respects the player’s intelligence, offering a challenge that, once overcome, feels earned.

Reviewed by the Rankeno RPG & Adventure Desk. Scores are out of 10; the overall score is the desk’s editorial judgement, informed by the four sub-scores above. How we review

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Store facts (checked Oct 2026)

Store ratings
6,428

Quick facts

Developer
Stygian Software
Released
Dec 18, 2015
Platform
Steam
Price
$14.99
Genres
Indie, RPG
Metacritic
72

Questions about UnderRail

Is UnderRail worth it?

UnderRail is a demanding proposition for a specific type of player. Our editors scored UnderRail 7.9 out of 10, which puts it in our Good band.

Why does UnderRail score 7.9 out of 10?

With a score of 7.9 out of 10, UnderRail lands in our Good band. Value is its strongest category at 8.5 out of 10. Innovation is the weakest at 6.5.

What do our editors like most about UnderRail?

Uncompromisingly deep tactical combat. Extensive character customization & build variety.

What do our editors say is UnderRail's biggest weakness?

Extremely steep learning curve. Initial lack of guidance and tutorialization.

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