Nientum - Op.ZERO leaves early access with 1.0 launch on Steam and Android
Version 1.0 adds chapters 6 through 10, post-story content, 30 free-select songs and a Hard difficulty, with a 20% launch discount until October 28.
QueseraGames released the full version 1.0 of its rhythm adventure game Nientum - Op.ZERO on Steam and on Android on October 14, according to gamebiz.jp. An iOS version is planned for a later release.
To mark the launch, the game is 20% off at 2,200 yen including tax until October 28.
Version 1.0 adds chapters 6 through 10, extra chapters set after the main story, and 30 songs in total available for free-select play. The update also introduces a Collection feature, a Hard difficulty for each song, and a scene skip option.
The game supports Japanese, Korean, English and both simplified and traditional Chinese. Its story follows Liola, an actress, and Aleph, a stage director, in a forgotten theater. The cast includes a voice actor for Aleph and another for Liola, with a third voicing the character Mordred.
Nientum - Op.ZERO first appeared in early access on November 24, 2025 and holds a Very Positive rating on Steam user reviews, with an approval rate of about 98%. The development team previously made the mobile game KALPA, which has passed 17 million cumulative downloads. The game also won the Excellence In Audio award at BIC 2024 and placed second for the gamescom asia 2024 Audience Award.
Quick answers
What platforms is Nientum - Op.ZERO available on?
The full 1.0 version is out now on Steam and Android. QueseraGames plans an iOS release at a later date.
How much does Nientum - Op.ZERO cost?
It is priced at 2,200 yen including tax, with a 20% launch discount running until October 28.
What languages does Nientum - Op.ZERO support?
Japanese, Korean, English, and both simplified and traditional Chinese.