
A 2D action-adventure where the story unfolds by tuning the stage with music. A play by Aleph and Liora, who have lost their memories. A beautiful yet eerie stage, and the secret of the forgotten theater await. Your choices will determine the play's ending — and their fates.
Modeled estimate, not a reported figure. How we estimate →
Media

About
"—To fade away... was it hope for you and me, or despair?"
『Nientum – Op.Zero』 is a 2D action-adventure music game that combines platformer, action, and adventure elements.
Tune the stage through musical interactions and experience a unique journey to breathe life back into a theater that has settled in a gray stillness.
A theater once filled with songs and stories is now filled only with silence.
In this desolate place, Aleph and Liora, who have lost their memories, become the Director and the Actress to raise the curtain on a new play.
On a stage that is beautiful yet foreboding, warm yet sorrowful, they discover lost clues one by one.
What truth will they face in the final scene of this play?
The gems scattered throughout the stages are fragments of broken notes.
Use Aleph’s ability to tune them, play their restored notes, and restore stage devices to complete the preparations for the performance.
As platforming, puzzles, and action naturally intertwine, the theater begins to regain its vitality.
The Wizard of Oz, Cinderella, The Legend of King Arthur...
Familiar tales are reinterpreted, and sometimes twisted, into musicals that unfold before your eyes.
With each of Liora’s successful performances, a fresh glow of life returns to the theater. And their journey continues to the next act.
Nightmares and hope, wishes and despair, new encounters and farewells.
The fragments of memory lost by Aleph and Liora are revealed one by one, following your choices.
Depending on the direction of your choices, the end of the story takes a completely different turn, drastically altering their fates.
Please, join them in their journey and help raise the curtain on this strange play.
The stage is filled with music composed by renowned artists such as
Kagetora., Halv, and seatrus, delivering a deeply immersive experience.
The main characters—including Aleph and Liora—are brought to life by talented voice actors such as
Chika Anzai, Yuuki Takada, and Takehito Koyasu, vividly expressing the beauty and strangeness of the theater.
Director's Room: A space where you can record and view the various collectibles gathered while completing the play.
Free Play Mode: A dedicated mode where you can enjoy tracks built with the rhythm-action expertise of Quesera Games, separate from the main story.
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English, Japanese*, Korean, Simplified Chinese, Traditional Chinese*languages with full audio support
Engagement
Hours played at review time, across 40 reviews with recorded playtime.
Reviews
Themes across 40 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
Trải nghiệm quả game này mới lạ lại còn cuốn, game kết hợp giữa nhịp điệu và cốt truyện diễn kịch. Cảm giác một màn chơi mà vừa được cào phím giống kiểu Muse Dash, vừa được phiêu lưu, xem kịch rồi lại còn nghe hát cuốn ác. Mỗi tội mải tập trung căng mắt ra để ý nốt nhạc quá thì lại không kịp để ý hết tình tiết vở kịch đằng sau ~v~ Mà act 5 stage 5 peak thật sự~ Khía cạnh khác của game làm khá trau chuốt. Artstyle đẹp, nhạc hay, lồng tiếng dễ thương (dù thi thoảng vẫn dính xíu tạp âm). Cấu trúc cốt truyện của game chạm đến cảm xúc, có những lúc vui, hạnh phúc nhưng cũng có lúc buồn. Mà game vẫn đang ở giai đoạn Early Access nên cốt truyện khá ngắn, trải nghiệm chưa được trọn vẹn lắm. Rất rất ủng hộ đội ngũ phát triển và mong đợi bản chính thức sau này thêm nhiều nội dung hay ho mới lạ nữa. Bác nào thích trải nghiệm cốt truyện mà lại đam mê rhythm thì nên quất thử luôn nhé, rất đáng để trải nghiệm~
美术音乐都很好,演出尤其不错。但是EA现阶段内容太少了。
동화에 뮤지컬이라니 상상도 못한 리듬게임이다 플레이방식, 어디서 한번씩 들어본 성우, 역동적 움직임, 연출 모두 맘에 들었음 어려울거같긴하지만 스토리에 난이도 조절 있었으면 좋겠음 정출 '해줘'
스토리를 진행하는 데에 있어서 사용한 요소가 리듬게임일 뿐이지 재밌는 뮤지컬 컨셉의 비주얼노벨을 보는 느낌으로 플레이한 것 같아요 점점 난이도가 어려워지는 것 같아 나중에는 더 어렵게 나오긴 할 것 같은데 아직까지는 그렇게 어려웠던 채보는 없었던 것 같습니다 제가 플레이한 날 기준으로 5층까지 전부 플레이했는데, 5층 마지막 맵만 5레벨이에요 아마 10층엔 10레벨이 나오지 않을까요? 스토리가 엄청 깊고 방대하다거나 한 건 아니지만 일단 감동이 있는 것 같습니다 아직 끝까지 플레이 할 수 없다는 게 아쉬울 따름이네요 빨리 뒷부분을 플레이해보고 싶어요 + 자유 선곡 쪽을 확인해봤는데 난이도는 조금 있는 편이지만 스토리 볼 때 했던 느낌이 아니라 뮤즈 대쉬랑 큰 차이가 없는 느낌이네요
공연극 리듬게임인데 연출이 좋고 게임성도 좋아서 추천합니다
极致的演出,一段令人印象深刻的旅程。EA阶段的歌曲还是太少了,希望可以增加专门看图绘/角色立绘的分区;在剧情关卡游玩中,如果在切换成电影模式下能隐藏连击数等其他ui,那么沉浸感将大大提升。期待早日正式版!
好~!
正式版怎么还不出,ea阶段的歌曲还是太少了 顺带一提百合牛逼
몰입하기좋은 리듬겜
〇全体的な感想 ・音楽はもちろんのこと、「見せ方」がとってもいい音ゲー 〇良い点 ・「見せ方」がとってもいい ・ゲームの大まかな内容としては、劇を舞台にしたリズムゲームと言う感じ。 ・2人いる主人公の内の片方が舞台装置を動かして、もう1人が劇をする…と言った感じの流れになっているのだけれど、それを音ゲーの枠組みとしてとても上手く見せている印象。 ・舞台装置を動かす側のパートでは、ランアクション+リズムゲームと言った形になっている。(とは言え特別な操作は必要なくて、ノーツに合わせて叩けばちゃんと動いてくれる。一定回数失敗したり特定部分でミスすると戻されるっぽい?) ・そして演劇のパートに切り替わると、舞台装置が動作して話が進む。(こっちでも操作が必要になることあり。近いものだとシアトリズムFFにあったEMSっぽい感じ…かな?) …と言う流れを音ゲーの枠内でとても綺麗に表現してる。音楽と画面の動きがマッチしているため、聴いていても見ていても楽しめる作りになっていて、そこが個人的にかなり好きなポイント。 ・BGMのクオリティが高い ・BGM自体のクオリティも全体的に高く。先に書いたように展開ともマッチしている印象があってとても+の印象。 ・シナリオも〇 ・シナリオ自体も演劇をベースにしながらよく出来ていた印象。 〇気になる点 ・一部視認性はちょっと気になるところあり…って感じ ・一部の箇所にて次にどのノーツを叩くのかが分かりにくいところがある。一応次に叩く必要のあるノーツはその周りにリード線(ノーツを囲んでくれるような枠がでる)みたいなのが出て教えてはくれるのと、使用するボタン自体は少ないので操作自体の複雑性は殆どないんだけどノーツのペースが速くなってくるところではちょっと視認性面で気になるところはあった。(次に叩くノーツが光ってくれたりすると嬉しい…かも?) ・遅延調整はやっておいた方がいいかも(設定画面から「シンク調整」って所があるのでそこから行けます)です。私はやっていなかった関係か、後半ステージのペースが速いノーツが多いところで結構ずれを感じたので(直したら結構良くはなった気がする、それでもほんの少しだけ気になるところはあったけど…私のリズム感の問題の可能性も捨て切れないので何とも)…。
Related
Related
Trends
Concurrent players on Steam, sampled daily since tracking started.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
Related
| Finnish Army Simulator | $484K | 552 | 89% | $29.99 |
| ★ Fallalypse ★ | $459.5K | 63 | 24% | $199.99 |
| dot TANKI | $191.7K | 28 | 54% | $199.99 |
| Sporting Goods Shop | $32.4K | 71 | 97% | $11.99 |
| Flatinside Simulator | $29.6K | 78 | 71% | $9.99 |
| Alien Agent X | $8.4K | 72 | 58% | $3.99 |
Related
| Perception | $159.6K | 632 | 73% | $14.99 |
| Aquabike Rush | $159.6K | 105 | 91% | $39.99 |
| Soulash | $159.5K | 546 | 71% | $14.99 |
| Immoral-Bathhouse | $159.5K | 461 | 82% | $8.99 |
| Boiling Steel | $159.5K | 379 | 81% | $14.99 |
| Mushroom Wars | $159.5K | 576 | 76% | $9.99 |