Rain World

A Brutal Symphony of Ecosystemic Peril

by Videocult

Action gameSteamSwitchPlayStation$24.99

Reviewed by the Rankeno Action DeskUpdated Oct 2026

Rain World is an Action game for Steam, Nintendo Switch and PlayStation. It scores 8.7 out of 10 — Great.

8.7Great#131 of 785 Action games

How it scored How we score

  • Design8.5
  • Innovation9.0
  • Value9.0
  • Utility8.0

Each of the four criteria is scored out of 10. The headline score is our editorial verdict across them — weighing all four rather than taking an arithmetic average — and every review publishes the breakdown so you can see where the verdict came from.

How this score compares with every review we publish — Score atlas.

In one line

Rain World is an uncompromising, emergent ecological simulation that demands patience, adaptation, and a high tolerance for systemic cruelty — a clearly recommended game with real reservations, rewarding those who persevere with a rare sense of discovery.

Released Mar 28, 2017

The verdict

What we liked

  • Emergent gameplay of rare depth
  • Sophisticated, dynamic AI
  • Rich, atmospheric world design
  • Deeply rewarding for persistent players
  • 'Downpour' expansion significantly enhances content

What could be better

  • Extremely high difficulty and steep learning curve
  • Can feel unfair or frustrating initially
  • Minimal tutorialization; demands self-discovery
  • Occasional moments of RNG can lead to unavoidable death
  • Not for players who prefer explicit guidance

Pricier than 66% of the 732 Action games we price-check.

Is it for you?

Best for

  • Players who revel in challenging, non-linear survival experiences.
  • Those who appreciate emergent narratives and complex ecological simulations.
  • Gamers seeking a deeply atmospheric and uncompromising world to master.

More reviewed in Action

Overview

From indie studio Videocult (published by Akupara Games) comes Rain World, a title that defies easy categorization and scoffs at the conventions of modern gaming. Released on March 28, 2017 for $24.99, this 2D survival platformer casts players as a minuscule “slugcat” — a creature whose adorable moniker belies its desperate existence in a sprawling, post-industrial wasteland. This isn’t a hero’s journey; it’s a relentless struggle for survival, a fragile dance on the precipice of a complex, indifferent ecosystem. Rain World carved its niche not by pandering but by challenging, presenting a decaying world where every organism operates under its own, often hostile, AI-driven agenda. Its market positioning is distinct: a deliberate counter-narrative to accessible, hand-holding experiences, opting instead for a brutalist approach to environmental storytelling and gameplay. The base game laid a formidable foundation of intricate creature interactions and a vast, interconnected map, but the ‘Downpour’ expansion cemented its standing, layering on new playable characters, expansive regions, and dynamic weather systems that deepen the already formidable challenge — transforming it from a cult curiosity into an essential experience for those seeking genuine digital hardship.

Key features

  • Dynamic, AI-Driven Ecosystem: Predators and prey operate independently, driven by sophisticated AI that creates unpredictable and emergent encounters.
  • Vast, Interconnected World: Over 1600 rooms spanning 12 distinct regions in the base game, with ‘Downpour’ adding ten more, each presenting unique biomes and survival challenges.
  • Procedural Design: Ensures that every run feels distinct, forcing continuous adaptation and learning of creature behaviors.
  • Multi-Character Play: The base game offers The Monk (easier) and The Hunter (harder), while ‘Downpour’ introduces five new slugcats, each with unique abilities and starting conditions, drastically altering gameplay.
  • Expansive Content with ‘Downpour’: Beyond new characters and regions, the expansion adds dynamic weather, Challenge and Expedition modes, offering thousands of new maps and vastly enhanced replayability.

Analysis

Rain World is less a platformer with survival elements and more a study in systemic game design, where the player’s core objective is simply existence, not progression. The game drops players into its decaying world as the slugcat, a creature profoundly vulnerable yet surprisingly agile. Survival revolves around a single, pressing need: finding enough food to hibernate before the cataclysmic “rain” descends. This core loop—hunt, eat, shelter—sounds simple, but the environment’s complexity makes it endlessly demanding.

Gameplay Loop: The Unforgiving Cycle

The moment-to-moment experience is one of constant tension. Every encounter, every movement, every scavenging decision is fraught with peril. The slugcat’s primary tools are stealth, swift movement, and opportunistic foraging. There’s no combat prowess to lean on; instead, players must outwit, evade, or occasionally subvert the ecosystem. A well-aimed rock might deter a scavenger, or, more often, infuriate it. Mastery comes not from memorizing enemy patterns, but from understanding their fundamental behaviors and tendencies within their ecological niches. Each creature, from the omnipresent, territorial Lizards to the more elusive and terrifying Vultures, adheres to its own internal logic, making every encounter a dynamic puzzle. There are no health bars, no obvious mission markers; survival is measured in the precarious balance of the slugcat’s stomach and its proximity to a safe haven. The rain cycle, a brutal timer, dictates the pace, forcing desperate rushes and strategic retreats.

Environmental Storytelling and AI

What truly sets Rain World apart is its environmental narrative and the astonishing depth of its AI. The game does not tell a story; it allows one to emerge from the interactions between its inhabitants and the player’s own struggle. The decaying pipes, crumbling structures, and remnants of an unknown civilization hint at a grandeur that once was, providing a melancholic backdrop to a desperate scrabble. The creatures are living, breathing components of a food web, not just obstacles. A hungry Vulture might snatch a Lizard that was pursuing the player, turning a desperate escape into a moment of fleeting reprieve. This interconnectedness means the world feels genuinely alive, responding to actions in nuanced and often unpredictable ways. This procedural design, coupled with the intricate AI, ensures that each death is a learning experience, a re-evaluation of tactics, rather than a frustrating reset. The learning curve is steep, vertical even, but the satisfaction of truly understanding a region, or outmaneuvering a predator through sheer ecological insight, is immense.

The Downpour Effect

The ‘Downpour’ expansion is a monumental extension of the core philosophy. With five new playable slugcats, each presenting radically different playstyles – from the agile, weapon-focused Rivulet to the frail, intellectual Artificer – the entire game shifts. The addition of ten expansive new regions and dynamic weather conditions injects a fresh layer of environmental complexity and beauty. ‘Downpour’ understood that Rain World’s strength lay in its emergent properties and doubled down, giving players more tools, more environments, and crucially, more variables to contend with. The new game modes, Challenge and Expedition, transform the struggle for survival into structured tests of skill and endurance, offering new ways to engage with the game’s formidable mechanics without diluting its core identity.

Visuals & performance

Visually, Rain World is a paradox. Its 2D pixel art aesthetic, initially reminiscent of 16-bit classics, reveals incredible depth upon closer inspection. The animation is fluid, almost balletic, especially in the movements of the slugcat and the predatory lizards. Every creature is rendered with an unsettling realism in its locomotion, evoking a sense of organic life within the pixelated framework. The environments, a mosaic of rusted metal, damp caverns, and glowing flora, are masterfully crafted to convey a sense of vastness and decay. The UI is minimalist to a fault, offering little hand-holding, which, while initially frustrating, ultimately reinforces the game’s theme of isolated survival. As a 2D game of this scope, it is light on hardware demands, and its simulation-driven design is built to juggle many complex AI entities at once. The artistic direction is integral to the game’s oppressive atmosphere and sense of vulnerability.

Platform nuances

Rain World’s primary platforms, Steam (PC) and Nintendo Switch, offer distinct propositions. On Steam, with a keyboard and mouse, players benefit from the precision offered by the mouse for aiming projectiles and the tactile feedback of a keyboard for movement — an advantage for the game’s demanding platforming and precise item manipulation. The PC version also inherently allows for higher resolutions and frame rates, which, while not transformative for a 2D pixel art game, contributes to a crisper visual experience.

The Nintendo Switch version is a sensible fit for a game of this scope, but controller input poses inherent challenges for a game designed around precise directional movement and object interaction. An analog stick is inherently less precise than a keyboard for the minute adjustments often required when navigating tight spaces or escaping a pouncing predator. On the other hand, the Switch’s portability allows for on-the-go survival. We rate the PC version the stronger way to play for its more precise input, though both platforms deliver a compelling, if slightly different, experience.

Final verdict

Rain World is a work of uncompromising vision. It demands respect, patience, and a willingness to fail repeatedly before it yields its intricate secrets. This is not a game to be casually picked up; it is an experience to be wrestled with, to be learned, and to be appreciated on its own severe terms. Videocult crafted a living, breathing digital organism, one that doesn’t care about the player’s enjoyment as much as it cares about its own internal logic. For those weary of predictable, guided adventures, Rain World offers a brutal, beautiful, and memorable journey into the heart of an indifferent world. We recommend it — with the clear caveat that its difficulty and opacity will alienate as many players as they captivate. It is a challenging, distinctive title that pushes the boundaries of what environmental storytelling and AI can achieve in a 2D space.

Reviewed by the Rankeno Action 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 (last checked Oct 2026)

Price
$24.99
Store ratings
47,686

Quick facts

Developer
Videocult
Publisher
Akupara Games
Released
Mar 28, 2017
From
$24.99
Genres
Action, Adventure, Indie
Metacritic
66

Questions about Rain World

Is Rain World worth it?

Rain World is a work of uncompromising vision. Our editors scored Rain World 8.7 out of 10, which puts it in our Great band.

Why does Rain World score 8.7 out of 10?

With a score of 8.7 out of 10, Rain World lands in our Great band. Innovation is its strongest category at 9.0 out of 10. Utility is the weakest at 8.0.

What do our editors like most about Rain World?

Emergent gameplay of rare depth. Sophisticated, dynamic AI.

What do our editors say is Rain World's biggest weakness?

Extremely high difficulty and steep learning curve. Can feel unfair or frustrating initially.

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