- Release Year: 2015
- Platforms: Windows, Linux, Macintosh
- Publisher: Sekai Project, Inc.
- Developer: aiueoKompany
- Genre: Adventure, Visual novel, Horror
- Gameplay: Visual novel
- Setting: Horror
- Average Score: 82/100

Description
Sound of Drop: Fall Into Poison is an unsettling horror visual novel presented with an anime/manga art style. Players are immersed in a brooding and enigmatic J-horror adventure, navigating a choice-based narrative where the game masterfully disturbs through evocative text, an eerie soundtrack, and implied gruesome scenes, rather than explicit visuals. Featuring over thirty different endings, this title offers significant replay value for fans of the genre, particularly those who appreciate titles akin to Corpse Party.
Gameplay Videos
Guides & Walkthroughs
Reviews & Reception
metacritic.com (83/100): Sound of Drop: Fall Into Poison took me by surprise and quickly became one of my favorite visual novels.
ocean-of-games.com (80/100): Junior high school students Mayu and Himeno came to Manten Aquarium to investigate these urban legends.
metacritic.com (83/100): Sound of Drop: Fall Into Poison took me by surprise and quickly became one of my favorite visual novels.
Sound of Drop: Fall Into Poison: A Deep Dive into Aquatic Dread
1. Introduction
The flickering neon glow of an old aquarium, the whispered secrets of forgotten legends, and the chilling sensation of impending doom – these are the hallmarks of a truly effective horror experience. In the landscape of visual novels, where romance often reigns supreme, Sound of Drop: Fall Into Poison dared to delve into the murky depths of psychological terror, carving out a distinct niche upon its release in October 2015. Developed by aiueoKompany (also credited as Lycoris) and published by Sekai Project, this title emerged on Windows, Mac, and Linux as a stark departure from the genre’s conventional offerings. It promised not hearts and flowers, but the cold embrace of fear, often drawing comparisons to cult classics like Corpse Party for its narrative-driven dread. Our exploration will dissect Sound of Drop‘s chilling narrative, its innovative design choices, and its enduring, albeit niche, legacy, ultimately positioning it as a compelling and unsettling horror narrative that leverages the visual novel format to its fullest, despite some genre-inherent limitations.
2. Development History & Context
Sound of Drop: Fall Into Poison arrived during a period of burgeoning interest in visual novels within Western gaming markets, largely facilitated by digital distribution platforms like Steam and proactive publishers such as Sekai Project. aiueoKompany, a developer operating under the name Lycoris in some contexts, crafted this unsettling experience, intending to deliver a horror-centric narrative that stood “worlds away from the typical romance visual novels found on Steam.” This vision was central to the game’s identity, aiming to disturb players “with simple text and anime artwork” rather than relying on overt jump scares or gratuitous visuals.
The game’s release in 2015 meant it operated within the established technological framework of the visual novel genre: predominantly static or semi-static artwork, text-based dialogue, and branching narrative paths. These weren’t necessarily “constraints” in the traditional sense, but rather the fundamental tools of the medium. However, one notable absence frequently highlighted by critics was the lack of voice acting. While not uncommon for independent visual novels, for a title praised for its atmospheric prowess, this was considered a “letdown” by Hardcore Gamer Magazine and a “shame” by GamersFTW, suggesting it was a perceived limitation that could have further enhanced the immersive horror.
At the time, the gaming landscape was ripe for diverse visual novel experiences. While dating sims and slice-of-life narratives held significant sway, the success of titles like Corpse Party had demonstrated a clear appetite for horror VNs. Sound of Drop entered this space by embracing a distinctly Japanese horror (J-horror) sensibility, blending urban legends with a deep sense of psychological unease. Its strategic focus on narrative immersion over interactive gameplay was a deliberate design choice, allowing the creators to concentrate on crafting a disturbing story that resonated through its written word and evocative visuals.
3. Narrative & Thematic Deep Dive
The narrative of Sound of Drop: Fall Into Poison is meticulously designed to pull players into a spiraling descent of dread. The story unfolds in the seemingly “quaint little aquarium, Manten Aquarium,” located in the bustling heart of Tokyo. This seemingly innocuous setting is immediately imbued with an ominous aura, as it’s the genesis point for “numerous urban legends.” Whispers of “waters turn[ing] to blood and man faced fish lurk[ing] within on the night of the full moon” establish a palpable sense of supernatural threat right from the outset.
The protagonists are two junior high school students, Mayu and Himeno, who initially visit the Manten Aquarium to investigate these very urban legends. Their youthful curiosity quickly gives way to a more sinister reality when they catch a “glimpse of Mayu’s missing little sister, Mari.” This pivotal moment ignites the game’s central conflict: a desperate search for Mari amidst the aquarium’s increasingly hostile and bizarre environment. The pursuit of Mari’s shadow becomes the catalyst, as “the wheels of fate begin turning,” drawing Mayu and Himeno into a labyrinth of horror and mystery.
Character development, while primarily through text and internal monologues, is effective enough for players to “care about the characters,” as noted by a user reviewer. The juxtaposition of ordinary teenage concerns – one review pointed out dialogue about “girls gossiping about clothes, or worrying that all that gore might ruin their new sandals or arguing over which ice cream flavour” – against the escalating horrors heightens the sense of vulnerability and relatability. This contrast serves to anchor the fantastical horror in a grounded reality, making the eventual descent into madness all the more disturbing.
Dialogue, or rather the descriptive text, is the primary vehicle for horror. Critics repeatedly highlight how the game manages to “utterly disturb players with simple text” and create “plenty of creep factor that’s revealed more through text and music instead of visuals.” This demonstrates a sophisticated understanding of the visual novel format’s strengths, where the player’s imagination, guided by evocative writing, becomes a powerful tool for generating fear. The game often opts to leave “most of the really gruesome scenes… to the imagination instead of depicted visually,” which is a hallmark of effective psychological horror, allowing the player’s mind to conjure horrors more potent than any static image could convey.
Thematically, Sound of Drop is a rich tapestry woven with threads of urban legend, mystery, and existential dread. The quest for Mari transforms from a simple search into an exploration of unknown dangers and potentially horrifying truths. The “evil aquarium that would quite like to kill you,” as one critic humorously yet accurately described it, serves as a monstrous entity, a sentient antagonist. The game also delves into themes of consequence and destiny, with its “multitude of endings” (over thirty, according to several sources) suggesting that every choice, no matter how small, has ramifications for the characters’ fates. This thematic depth, combined with its unique horror premise, ensures Sound of Drop transcends typical visual novel tropes.
4. Gameplay Mechanics & Systems
As a visual novel, Sound of Drop: Fall Into Poison‘s “gameplay” primarily revolves around reading, experiencing the narrative through text and static artwork, and making critical choices that alter the story’s trajectory. This core loop is fundamental to the genre, and Sound of Drop leans heavily into it, using the format to craft a robust and engaging horror experience.
The most prominent “gameplay” mechanic, and arguably its greatest strength, is the choice-based narrative system. Described as a “choice based visual novel” with “multiple routes” and “more than thirty endings,” this extensive branching path system significantly enhances replay value. Players are encouraged to revisit the Manten Aquarium multiple times, making different decisions to uncover every possible outcome, from salvation to gruesome demise. This high degree of replayability was lauded by critics and users alike, with Hardcore Gamer Magazine specifically highlighting that the many different endings are “sure to keep horror fans hooked.” BasilZero’s user review awarded replay value a 9/10, noting “a lot of replay value even after finishing the main story.”
Unlike traditional video games, there are no combat systems, character progression trees, or complex mini-games. The “player interaction” is purely through the narrative choices. This simplification allows the game to focus entirely on its storytelling and atmospheric horror, preventing distractions that might detract from the psychological tension.
The user interface (UI) and supporting systems are functional, though not without minor flaws. A user review on Metacritic pointed out a struggle “to tell who was speaking early on, due to the lack of unique text colors for each character,” which indicates a small but noticeable oversight in presentation that could momentarily hinder immersion. However, the inclusion of a “CG gallery and Endings list” provides tangible rewards for exploration and completionists, allowing players to revisit key moments and track their progress in uncovering all the divergent paths. These features, common in visual novels, are essential for a game with such an emphasis on multiple conclusions.
In essence, Sound of Drop‘s gameplay is an elegant exercise in restraint. It understands its identity as a visual novel and refines the core tenets of the genre – impactful narrative, meaningful choices, and replayability – to deliver a horror experience that is both engaging and deeply unsettling.
5. World-Building, Art & Sound
The world of Sound of Drop: Fall Into Poison is built on a foundation of contrasting elements: the mundane and the monstrous, the beautiful and the grotesque. The primary setting, Manten Aquarium, is initially presented as a “quaint” establishment in Tokyo, a place of innocent wonder. However, this normalcy is immediately undermined by the pervasive “urban legends” that shroud it, transforming it into a nexus of supernatural terror where “the waters turn to blood and man faced fish lurk within.” This duality is crucial to its world-building, creating an unsettling atmosphere where safety is an illusion.
The atmosphere is perhaps the game’s greatest triumph. Critics consistently praise its ability to generate “captivating, horror-themed experience” and “plenty of creep factor.” The horror is not derived from cheap thrills but from a pervasive sense of dread, achieved by “put[ting] players on edge and disturb[ing] them.” This psychological approach is intentional, with “most of the really gruesome scenes… left to the imagination instead of depicted visually.” This artistic choice forces players to confront their own mental constructs of horror, making the experience deeply personal and often more terrifying. The Boston Bastard Brigade noted that the “creep factor… is revealed more through text and music instead of visuals,” underscoring the game’s reliance on suggestive elements.
The visual direction is distinctly “anime artwork,” a common style for visual novels, but here it is employed with an emphasis on creating an eerie aesthetic rather than a purely appealing one. Critics described the “interesting artwork” and noted that the “artwork style is well done and the backgrounds are nicely done.” While the game avoids explicit gore for the most part, the art effectively conveys the unsettling nature of the aquarium and its monstrous inhabitants. The character designs, though adhering to anime conventions, are integrated into the horror context, allowing for dramatic expressions of fear and despair. The effective use of static imagery, coupled with textual descriptions, forms vivid and disturbing mental pictures for the player.
Sound design plays an equally critical role in establishing the game’s chilling ambiance. An “eerie soundtrack” is frequently cited as a key contributor to the overall “creep factor.” GamersFTW mentions “an eerie soundtrack” alongside “interesting artwork and a string of text” as the primary means by which the game “can put players on edge and disturb them.” While one user rated the overall sound at 7/10 and music at 8/10, suggesting it’s solid rather than groundbreaking, its effectiveness in generating atmosphere is undeniable. The absence of voice acting, while noted as a “letdown” by some, paradoxically places more emphasis on the environmental sounds and musical cues to convey mood and tension, allowing the soundtrack to take center stage in crafting the auditory horror. This concerted effort across visual and auditory elements culminates in a world that is not just seen and read, but deeply felt, contributing significantly to the overall unsettling experience.
6. Reception & Legacy
Upon its release in 2015, Sound of Drop: Fall Into Poison garnered a generally favorable, albeit somewhat polarized, critical reception. With an average Moby Score of 7.3 and an average critic score of 78% based on 10 ratings, it positioned itself as a solid, well-regarded entry within the visual novel genre.
Positive reviews lauded the game for its effective horror and unique approach. Got Game and Hardcore Gamer Magazine both awarded it a 90%, praising its ability to “disturb the player” and deeming it “one of the top visual novel releases on Steam this year, and an excellent horror experience in general.” GAMERamble (87%) celebrated its “captivating, horror-themed experience that is worlds away from the typical romance visual novels,” particularly noting how “most of the really gruesome scenes are left to the imagination.” Other critics like Boston Bastard Brigade, RPGFan, and Tech-Gaming, all giving it 80%, echoed these sentiments, highlighting its “creep factor,” “J-horror adventure,” and engaging mystery for genre fans. The multitude of endings was consistently cited as a significant strength, adding considerable replay value.
However, the game wasn’t without its criticisms. The most common point of contention was the “lack of voice acting,” which several reviewers felt was a missed opportunity that could have enhanced immersion. Gamer Escape and HonestGamers gave lower scores (60% each), with Gamer Escape suggesting it was “a bit too ambitious for its limitations” and advising it as “worth a read if you can find it on sale and want something quick and not too deep.” HonestGamers’ review also pointed to potential tonal inconsistencies, noting instances of “girls gossiping about clothes, or worrying that all that gore might ruin their new sandals or arguing over which ice cream flavour,” which could break immersion for some players amidst extreme horror.
Commercial reception appears to have been modest, as indicated by MobyGames listing it as “Collected By 30 players” and only “3 ratings with 0 reviews” from players at launch. This suggests a niche title, a common fate for visual novels, especially horror-centric ones, that cater to a specific audience rather than striving for mainstream appeal. Priced at $12.99, it remained accessible to those interested in its unique premise.
Despite its niche commercial footprint, its reputation has evolved positively among its dedicated fanbase. On Metacritic, user scores average 8.3 based on 4 ratings, described as “Generally Favorable.” One user, Ciocolici, called it “one of my favorite visual novels” and drew comparisons to Everlasting Summer and Corpse Party, praising its “gripping story, top-notch artwork and OST,” and the ability to “care about the characters.” BasilZero’s detailed user review also gave it an 84/100, affirming its “well told horror story with a decent cast of characters” and “a lot of replay value.”
Sound of Drop: Fall Into Poison‘s legacy lies in its firm rejection of visual novel conventions. By embracing horror and psychological dread through text and atmosphere, it stands as a testament to the genre’s versatility. Its comparison to Corpse Party suggests it solidified its place within the pantheon of effective horror VNs, influencing subsequent titles by demonstrating that compelling narrative, strong world-building, and impactful choices can create a deeply disturbing experience even without high-fidelity graphics or extensive voice acting. It’s remembered as a “quality product and highlight for the genre” for those seeking a truly unsettling, choice-driven narrative.
7. Conclusion
Sound of Drop: Fall Into Poison is a testament to the power of a well-crafted narrative and atmosphere within the visual novel medium. Its journey into the Manten Aquarium is a masterclass in psychological horror, eschewing overt gore for a more insidious, text-driven dread that lingers long after the credits roll. aiueoKompany, in collaboration with Sekai Project, succeeded in their vision of creating a horror experience “worlds away from the typical romance visual novels,” leveraging evocative anime artwork, an eerie soundtrack, and compelling writing to disturb players deeply.
The game’s narrative strengths are undeniable: a unique premise built on Tokyo’s urban legends, the desperate search for a missing sister, and a setting that transforms from quaint to malevolent. Its core gameplay, centered around robust choice-making and an impressive thirty-plus endings, fosters significant replay value, inviting players to explore every dark corner of its branching storyline. While the absence of voice acting and minor UI issues were noted criticisms, they are ultimately overshadowed by the game’s overall effectiveness in delivering a chilling and memorable experience.
As a significant, albeit niche, entry in video game history, Sound of Drop: Fall Into Poison validated the horror visual novel as a legitimate and powerful storytelling vehicle. It proved that imagination, stimulated by carefully chosen words and suggestive visuals, can be far more terrifying than explicit depictions. For fans of J-horror, mystery, and choice-driven narratives, it remains a “quality product” and a definitive example of how to make a player fall into the poison of fear, one word at a time. It stands as a chilling reminder that sometimes, the most profound terrors are the ones we construct within our own minds.