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Nientum - Op.ZERO

Nientum - Op.ZERO Game Cover
64%Game Brain Score
Most mentioned positive aspects:story, optimization
Most mentioned negative aspects:music, gameplay
100% User Score Based on 15 reviews

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PCWindows
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Nientum - Op.ZERO Game Cover

About Nientum - Op.ZERO

Nientum - Op.ZERO is a single player casual role playing game with fantasy, anime and dark fantasy themes. It was developed by QueseraGames and was released on November 24, 2025. It received overwhelmingly positive reviews from players.

<게임 콘텐츠 제작 및 스트리밍 가이드>"Nientum - Op.ZERO" allows full freedom for content creation and streaming. All music included in the Early Access version does not use copyright-matching systems, so streaming and video monetization are permitted. For any other inquiries related to the game, please contact us at [email protected]. About the Game"—To fade away... was it hope …

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Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
Nientum - Op.ZERO screenshot
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Reviews

100%Audience ScoreBased on 15 reviews
story4 positive mentions
gameplay3 negative mentions
  • Beautiful and immersive visual and audio design creating a unique musical theater-style rhythm game experience.
  • Engaging and emotionally impactful story with well-executed performances and charming 2D art and full voice acting.
  • Accessible difficulty that allows players to savor the story and presentation, with higher difficulty modes available in free play.
  • Story mode lacks higher difficulty options and could benefit from allowing retries to aim for full combos.
  • Free Play mode feels limited, focusing mainly on one gameplay element and lacking the dynamic stage components of story mode.
  • Some minor issues such as occasional odd English translations, missing controller support, and a few typos in the text.

  • story

    24 mentions Positive Neutral Negative
    17% positive mentions, 70% neutral mentions, 13% negative mentions

    The story is presented as a series of stage plays blending rhythm gameplay with visual novel-style dialogue, delivering an emotionally impactful and immersive dark-fantasy narrative. While the plot is only partially available, its beautiful visuals, soundtrack, and storytelling create a captivating experience suited for those who enjoy story-driven rhythm games. The story mode is intentionally easy to emphasize the narrative, with harder difficulties available in free play, though some users hope for harder modes integrated into the story itself.

    • “The plot is delivered in visual novel style dialogue as well as the events of the plays themselves, and despite a few odd translations in English, the writing, soundtrack and illustrations combined for a very enjoyable experience.”
    • “The story branches based on choices and performance quality, as two girls move through a mysterious theater world where hope and unease intermingle while gradually regaining their memories.”
    • “The game is split into what seems will be 10 'plays' (literally stage plays) on full release, and each one has 3-4 songs with cohesive level design that tells a miniature story within the story.”
    • “The story is only half done (only 5 out of what seems to be 10 planned plays are available), yet what we have so far is pretty good and hits extremely hard emotionally.”
    • “The story stages are very easy and the hard versions of the songs are in the free play mode.”
    • “The story mode difficulties are a little on the easy side, but you can play them and a multitude of others in free play at harder difficulties; honestly, the easy mode is nice for your first run since you should focus more on the music and level design.”

  • music

    16 mentions Positive Neutral Negative
    19% positive mentions, 62% neutral mentions, 19% negative mentions

    The music in this game is highly praised for its beautiful, well-written songs that enhance the theatrical atmosphere through expressive musical theater segments and rhythm gameplay. The soundtrack is immersive and emotionally engaging, with a unique integration of stage play themes and diverse difficulty levels available in free play. Overall, the music significantly contributes to the game's charm and storytelling, creating a memorable and enjoyable experience.

    • “The plot is delivered in visual novel style dialogue as well as the events of the plays themselves, and despite a few odd translations in English, the writing, soundtrack, and illustrations combined for a very enjoyable experience.”
    • “The brisk tempo as a runner and the immersive sense of singing and acting as a musical connect naturally, creating a unique feel in which you experience a theater-style fantasy through rhythm inputs.”
    • “Absolutely amazing game, beautiful songs and an emotional story that made me tear up a bit.”
    • “Songs in free play are focused on aleph sections only, which makes them feel a bit empty compared to songs in the story.”
    • “I would love to see songs in free play also receive their own liora sections as well!”
    • “And if possible, please make it so that story songs can also receive higher difficulties!”

  • gameplay

    7 mentions Positive Neutral Negative
    29% positive mentions, 28% neutral mentions, 43% negative mentions

    The gameplay is simple and technically functional, primarily serving to support the stage plays and story rather than stand out on its own. While comparable to Muse Dash in mechanics, it distinguishes itself with cohesive aesthetics and atmosphere. Overall, it offers short but enjoyable gameplay with potential for further development.

    • “Gameplay is simple with only two keys (high and low notes), technically serviceable but mostly takes a back seat to deliver the stage plays and story.”
    • “Mechanically, it's like Muse Dash, but unlike Muse Dash, the aesthetics of this game are cohesive and the vibes are totally immaculate.”
    • “Gameplay is simple with only two keys (high and low notes); it's technically serviceable but mostly takes a back seat to deliver the stage plays and story.”
    • “Free play is available, but on pure gameplay merit, there are better alternatives.”
    • “At the time of writing, there are 5 chapters, totaling a little over 2 hours of gameplay.”

  • optimization

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

    The optimization aspect is described in terms of smooth, immediate response to player inputs during performances, ensuring a seamless and engaging experience. The game effectively supports dynamic story branching and replayability, though users express a desire for added challenge options like a hard mode. Overall, the performance mechanics and story integration are well-optimized for fluid gameplay.

    • “The results are immediately reflected onstage, creating a dynamic structure where you support the performance of a girl singing and acting through timing inputs.”
    • “The story branches based on choices and performance quality, as two girls move through a mysterious theater world where hope and unease intermingle while gradually regaining their memories.”
    • “2 keys are the primary form, with 1 key usually reserved for the more dramatic or climactic parts of the performance.”

  • graphics

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

    The graphics are highly praised for being immersive, beautiful, and cohesive, contributing significantly to the game's overall aesthetic and storytelling, creating an exceptional visual experience.

    • “Possibly the most immersive and beautiful rhythm game I have ever played thus far, in visuals, storytelling, and sound.”
    • “Mechanically, it's Muse Dash, but unlike MD, the aesthetics of Nientum are cohesive and the vibes are totally immaculate.”

  • emotional

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

    The emotional aspect of the game is highly praised, with a compelling and impactful story that resonates deeply despite being only partially available. Players find the narrative moving and enhanced by beautiful music, creating a powerful emotional experience.

    • “Story is only half done (only 5 out of what seems to be 10 planned plays are available), yet what we have so far is pretty good and hits extremely hard emotionally.”
    • “Absolutely amazing game, beautiful songs, and an emotional story that made me tear up a bit.”

  • atmosphere

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

    The atmosphere is enhanced by charming 2D art and expressive facial animations, complemented by fully voiced interactions and a strong musical presentation that together create an engaging and immersive stage experience.

    • “The 2D art in cutscenes is extremely cute, the facial acting is expressive, and the fully voiced interactions and musical presentation further enhance the atmosphere of the stage.”
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Play Times

2h Median play time
2h Average play time
2-2h Spent by most gamers
*Based on 1 analyzed playthroughs
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Frequently Asked Questions

Nientum - Op.ZERO is a casual role playing game with fantasy, anime and dark fantasy themes. Common tags for Nientum - Op.ZERO include indie, 2d, female protagonist, surreal, emotional and others.

Nientum - Op.ZERO is available on PC and Windows.

On average players spend around 2 hours playing Nientum - Op.ZERO.

Nientum - Op.ZERO was released on November 24, 2025.

Nientum - Op.ZERO was developed by QueseraGames.

Nientum - Op.ZERO has received overwhelmingly positive reviews from players. Most players liked Nientum - Op.ZERO for its story but disliked it for its music.

Nientum - Op.ZERO is a single player game.

Similar games include Noctuary, A Jugglers Tale, The Midnight Walk, GRIS, Neva and others.