A curtain has fallen on a once-thriving theater. The lights, the music, and the applause have all faded to silence. Inside, two girls have no idea who they are or how they got there. Aleph will lead the way, and Liora will act. Together they’ll bring the once-thriving theater back from the dead, but the stage has more than just lost songs. There are clues and hidden performances that may show them their past.

Nientum – Op.ZERO is a 2D adventure game that combines Rhythm, action, and Platforming with Interactive Story-Elements and Puzzles. Set in a decaying Theater, players will restore the stage, tune fragments of songs, and prepare performances. Google Play

Tune the Stage with Music

Music is not just a soundtrack; it is part of gameplay. Players must use Aleph’s special ability to tune broken notes scattered throughout the levels to activate mechanisms and restore the melody.

As you progress through the game, the once silent theater begins to come back to life. Explore, interact, and perform!

Battles are portrayed in the form of rhythmic duets at crucial points in the story. Go up against tough opponents, keep in step, and master each section by finding the perfect moment to strike. Your success may hinge on your ability to stay on beat.

FIND A MYSTERY TO UNRAVEL

Aleph and Liora have lost their memories but the theater seems to remember everything…

INVESTIGATE THE MYSTERIES

Explore a myriad of mysterious scenes and reach the conclusions you want about Aleph and Liora. Discover the answers hidden within the final performance and other secrets hidden about the theater.

YOUR CHOICES MATTER

Your choices change the course of the story and determine the outcome of the play, the life or death of the theater characters and crew. Enjoy hours of exclusive narrative adventure! Steam 商店

Restore broken notes and use musical interactions to repair stage mechanisms and bring the forgotten theater back to life.

🕹️ Rhythmic Boss Duels

Face off against boss enemies in duels where you will have to use your precise timing and rhythm to win.

🌙 Atmospheric 2D World

Explore a 2D fantasy theater and uncover its mysterious and sometimes haunting environments.

📖 Story Driven Adventure

Help Aleph and Liora find their lost memories and reveal the truth behind the forgotten theater.

🎬 Your Choices Matter

Make the choices that you think are right and you may impact the play and the characters in the ending.

🎙️Full Japanese Voice Actions

Experience the story and characters fully voiced by popular japanese voice actors: Chika Anzai, Yuki Takada and Takehito Koyasu. (Google Play)

🌐Five Text Languages

The game supports English, Japanese, Korean, Simplified and Traditional Chinese text. (Steam)

🎶 Free Play Music Collection

The full release has 30 Free Play tracks with 20 additional tracks compared to the demo, giving players more music to enjoy outside the main story.