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Kumitantei: Old-School Slaughter

Kumitantei: Old-School Slaughter Game Cover
92%Game Brain Score
Most mentioned positive aspects:story, gameplay
Most mentioned negative aspects:grinding, stability
92% User Score Based on 278 reviews

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Kumitantei: Old-School Slaughter Game Cover

About Kumitantei: Old-School Slaughter

Kumitantei: Old-School Slaughter is a single player role playing game with horror, mystery, comedy and anime themes. It was developed by Mango Factory and was released on April 23, 2026. It received very positive reviews from players.

Pricing About the Game Is survival in the cards?Kumitantei™: Old-School Slaughter is an episodic murder-mystery ADV cardbattler that lovingly fuses retro anime analog horror with killing game! Kumitantei will consist of 6 episodes, beginning to release in early 2026. "The Empire of Japan, 1989... Awoken in a decaying old bunker, sixteen elite Absolute Students are trapped in a kill-or…

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Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
Kumitantei: Old-School Slaughter screenshot
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Reviews

92%Audience ScoreBased on 278 reviews
story36 positive mentions
grinding2 negative mentions
  • Exceptional voice acting and character animation, bringing the diverse cast to life effectively.
  • Compelling and emotional storytelling with well-developed characters eliciting player investment and emotional responses.
  • Unique gameplay additions like card battling and retro-style minigames add fresh twists to the standard murder mystery formula, enhancing engagement.
  • Strong similarities in plot, gameplay, and presentation to Danganronpa series, leading to criticism of lack of originality.
  • Trial minigames, particularly the card battles and letter-shooting segments, are often slow, confusing, and can negatively impact pacing.
  • Some character writing is uneven, with certain personalities feeling abrasive, one-dimensional, or annoying; minor technical bugs and occasional audio mixing issues also detract.

  • story

    124 mentions Positive Neutral Negative
    29% positive mentions, 69% neutral mentions, 2% negative mentions

    The story of Kumitantei is widely praised for its compelling characters, emotional depth, and strong storytelling that captures a Danganronpa-like murder mystery vibe while introducing unique twists and psychological horror elements. Though some note it heavily borrows from Danganronpa's narrative style and plot beats, the natural character development, voice acting, and intriguing mysteries keep players engaged and excited for future chapters. Minor criticisms include occasional pacing issues, similarity to its inspirations, and some underwhelming trial mechanics, but overall the story is considered promising and emotionally impactful.

    • “The storytelling is immaculate and I cannot wait for chapter 2 and onwards to come out.”
    • “The progression of the characters' relationships to one another feels natural and works well in both the confines of the story and in the optional content as well.”
    • “The plot is wonderfully crafted and emotional, and I really enjoyed the emotional arcs the characters go through.”
    • “The 'smoking gun' moment is very close to working as a big 'wtf' plot twist, but the way that they execute it makes it fall flat for me.”
    • “I think it's middling at best, and extremely obvious and has unnecessary story and emotional stakes that I don't feel were earned at all.”
    • “Now the bad: I am not going to much in on the main story as it's been said in a lot of other reviews that this rehashes a lot from Danganronpa case 1.”

  • gameplay

    122 mentions Positive Neutral Negative
    24% positive mentions, 69% neutral mentions, 7% negative mentions

    The gameplay in this game heavily mirrors Danganronpa's trial mechanics but introduces a unique card battle system that adds variety, though opinions on its depth and execution vary widely. While some players appreciate the fresh card-based elements and thematic mini-games, others find them underdeveloped, repetitive, or less engaging compared to the original. Overall, the gameplay is seen as competent and faithful to its inspiration, but it could benefit from refinement and more innovative mechanics in future chapters.

    • “I originally dismissed this game as a Danganronpa knock-off, but while it's true that this game shares many similarities with the original series, there are several choices made in the gameplay loop and the first chapter that help to set Kumitantei apart.”
    • “The card battling adds a wonderful variety to the gameplay and is fun to play; I think it was amazing.”
    • “The characters are super fun and interesting, the gameplay was smooth and, while very clearly inspired, it still felt unique, and the overall mystery and story that's being built up is super intriguing. Super excited for the next part!”
    • “The actual gameplay and game design is quite poor, and at times extremely grating.”
    • “The deckbuilding feels like a total shoe-in that was only done so that the gameplay wouldn't be completely copy-pasted from Danganronpa, and honestly I kind of wish they just completely ripped the gameplay off - I would rather play a Danganronpa trial than a KumiTantei trial when it comes to gameplay.”
    • “The final card battle in the trials also just sucks, as you go from heavy elements of strategy to essentially playing 52 pick up with your life on the line. I would love to see something more mechanical be attached to the final card battle, and I'd also like if the space invader game was faster.”

  • music

    52 mentions Positive Neutral Negative
    54% positive mentions, 40% neutral mentions, 6% negative mentions

    The music in the game is widely praised for its unique style, strong atmosphere, and emotional impact, often highlighted as a standout feature alongside the art and voice acting. While most tracks receive high acclaim for enhancing immersion and complementing the visuals, a few users note issues with audio mixing and some repetitive or less tense compositions. Overall, the soundtrack is regarded as exceptional, dynamic, and a key element that elevates the game's mood and storytelling.

    • “The soundtrack is exceptional, especially the main theme used for the opening movie.”
    • “I cannot emphasise how wonderful the soundtrack and art is though - it's frankly beautiful.”
    • “All of the soundtrack is killer (too soon?) also the animated cutscenes are stellar.”
    • “A lot of the music is very similar in composition.”
    • “The "antagonists" are worse written copies of characters from the mainline games, the voice acting ranges from solid to laughable, the soundtrack is barren.”
    • “I found the nonstop debate music, in this called war of words pretty disappointing in danganronpa its very fast paced and tense and while i dont think the exact same style would fit for this games theme it just felt slow and not very tense.”

  • graphics

    49 mentions Positive Neutral Negative
    41% positive mentions, 53% neutral mentions, 6% negative mentions

    The game's graphics feature a distinctive retro 80s-90s anime-inspired art style that blends classic and modern elements, creating a unique visual identity reminiscent of Danganronpa while standing out through its VHS-era aesthetic and animated sequences. The visuals are widely praised for their charm, polish, and fitting atmosphere, though some feel the style can feel lowkey or slightly inconsistent with the horror-thriller tone. Overall, the art, combined with expressive character designs and clean animation, significantly enhances immersion and complements the game’s nostalgic and compelling storytelling.

    • “The entire aesthetic of the game pops from the second you open it, and you can tell that visually this product has been meticulously put together.”
    • “After the sad downfall of Eden Garden, I have to say this is honestly one of the best Dangan-inspired games I have played in a long time. The cast is so lovable with really decent motives and personalities that make you attached to them, and it leaves you questioning who will die. The art style and music are very well done as well, the voice acting shows sheer effort and love, which is amazing and sells the immersion. I can't wait for the next episodes. I highly recommend any Danganronpa lovers to check this out; it's worth the $15 for just the first episode alone.”
    • “The best looking part of the game is most definitely the animated sections, which appear to have cleaner visuals than any other artistic depictions in the game.”
    • “Another thing that made them not click with me was the art style.”
    • “Unfortunately, this is not the art style I would choose for a horror thriller murder mystery game.”
    • “I also played the game on macOS through Crossover, so for anyone wondering, yes it runs fine with a few graphical and artifacting bugs.”

  • emotional

    24 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    The game delivers a strong emotional experience, with some players deeply moved to tears by its storytelling and character arcs, especially highlighting moments of vulnerability and compassion. However, others felt the emotional impact was uneven or unearned, citing issues with character development and predictable plot twists that lessened their investment. Overall, the emotional depth is praised but seen as variable across chapters and characters.

    • “Actual emotional rollercoaster... never been so invested in a game and I cried for the first time while gaming.”
    • “I didn’t know it was possible for any story to emotionally devastate me the way this game’s story did.”
    • “The plot is wonderfully crafted and emotional, and I really enjoyed the emotional arcs the characters go through.”

  • character development

    12 mentions Positive Neutral Negative
    67% positive mentions, 16% neutral mentions, 17% negative mentions

    Character development receives mixed feedback: while the writing and relationship cultivation show promise and some story elements offer depth, the characters often feel derivative or underdeveloped compared to inspirations like Danganronpa. However, the character designs are widely praised for their uniqueness, visual appeal, and memorable qualities, contributing significantly to the game's overall charm.

    • “An original game with a certain level of reasoning, with excellent character development.”
    • “Setting and gameplay-wise it's a Danganronpa clone, even the characters are heavily alike with the ultimate aspect, however Kumitantei seems to be heading into a better direction when it comes to character development and cultivating relationships between a character and a non-MC character.”
    • “Not every killer in a game like this has to be unexpected, and I'm also acutely aware that some of this trial was done exclusively for the broader narrative over the chapter's, but I genuinely think if the goal was to give Himari character development regarding him, the most ideal situation, to me, would be to have him live for a while.”
    • “Likely objectively bad, the character designs and setting are a worse version of Danganronpa's by a mile while obviously being inspired by specific characters, and the card system, which admittedly is something I already dislike as a concept, felt like slightly more elaborate Uno, in which I got through each encounter without the slightest bit of trouble while not really trying or caring.”
    • “Setting and gameplay-wise it's a Danganronpa clone, even the characters are heavily alike with the ultimate aspect; however, Kumitantei seems to be heading into a better direction when it comes to character development and cultivating relationships between a character and a non-MC character.”

  • optimization

    9 mentions Positive Neutral Negative
    78% positive mentions, -11% neutral mentions, 33% negative mentions

    The game's optimization shows room for improvement, with some users experiencing occasional short freezes during intense moments like combo streaks. However, the development team appears committed to addressing bugs and maintaining performance. Overall, while optimization isn't flawless, ongoing efforts suggest steady enhancements.

    • “As far as I can tell, the development team is doing their best to keep the game optimized and taking care of bugs.”
    • “Regarding performance improvements for the devs, during the final card debate, I personally experienced short, temporary game freezes while performing combo streaks.”
    • “From its characters to voice actors' performance (props to them, they really do a good job), everything feels great.”
    • “During the final card debate, I personally experienced short, temporary game freezes while performing combo streaks.”
    • “Performance improvements are needed as the game sometimes freezes during intense combo sequences.”
    • “The game suffers from occasional lag and freezing during critical moments of gameplay, impacting the overall experience.”

  • humor

    6 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    The humor in the game is well-balanced, providing a lighthearted contrast to its darker themes and tensions. Players appreciate the quirky characters and moments that add levity, alongside expressive voice acting and vibrant art style. While the game takes a more serious tone than similar titles, it retains the signature humor fans enjoy.

  • atmosphere

    4 mentions Positive Neutral Negative
    75% positive mentions, 25% neutral mentions, 0% negative mentions

    The game's atmosphere is praised for its unique twists, haunting narrative, and immersive voice acting, music, and art. It effectively combines visual presentation and audio elements to create a captivating and memorable experience, drawing inspiration from titles like Trigger Happy Havoc.

    • “The voice acting makes the game feel so much more alive, the music sells the atmosphere, and the art really grew on me as I played it.”
    • “Combined with a haunting narrative that gets under your skin, the game has real atmosphere.”
    • “The atmosphere, heavily inspired by the one of Trigger Happy Havoc, is fantastic, and pairs together wonderfully with the game's visual presentation and music.”

  • grinding

    2 mentions Positive Neutral Negative
    0% positive mentions, 0% neutral mentions, 100% negative mentions

    Grinding in the game is characterized by tedious mini-games that some players find repetitive, though not entirely off-putting. Certain aspects, like card battles, become more enjoyable once mastered, but overall, the grinding elements may feel like a chore to some.

  • stability

    1 mentions Positive Neutral Negative
    0% positive mentions, 0% neutral mentions, 100% negative mentions

    Users report occasional short, temporary game freezes during intense combo streaks in the final card debate, indicating some stability issues under heavy performance conditions.

  • monetization

    1 mentions Positive Neutral Negative
    0% positive mentions, 0% neutral mentions, 100% negative mentions

    The game's advertising on Twitter was highly effective and appealing, successfully attracting users' interest and encouraging them to try the game.

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Frequently Asked Questions

Kumitantei: Old-School Slaughter is a role playing game with horror, mystery, comedy and anime themes. Common tags for Kumitantei: Old-School Slaughter include indie, trading, psychological, psychological horror, deckbuilding and others.

Kumitantei: Old-School Slaughter is available on PC, Steam Deck and Windows.

Kumitantei: Old-School Slaughter was released on April 23, 2026.

Kumitantei: Old-School Slaughter was developed by Mango Factory.

Kumitantei: Old-School Slaughter has received very positive reviews from players. Most players liked Kumitantei: Old-School Slaughter for its story but disliked it for its grinding.

Kumitantei: Old-School Slaughter is a single player game.

Similar games include Danganronpa: Trigger Happy Havoc, Danganronpa V3:Killing Harmony, of the Devil, Tyrion Cuthbert: Attorney of the Arcane, Master Detective Archives: RAIN CODE Plus and others.