Nientum - Op.ZERO
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.
- Price:$19.99
- Release Date:11/24/2025
- Franchise:QueseraGames
- Developers:
- Publishers:
- Last Updated:1/2/2026
- Steam App Id:2725250
Nientum - Op.ZERO
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Nientum - Op.ZERO has 1 concurrent player online and in-game. This is 99% lower than its previous all-time peak of 150 players achieved on 11/24/2025.
Nientum - Op.ZERO Review
Nientum - Op.ZERO has achieved a Steambase Player Score of 99 / 100. This score is calculated from 161 total reviews on the Steam store — giving it a Very Positive rating. These are split between 159 positive reviews, 2 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Nientum - Op.ZERO using the chart below.
Nientum - Op.ZERO Price
Nientum - Op.ZERO costs $19.99 in the Steam store as of 1/2/2026. At the moment, it can only be purchased as a standalone game but may be included in future bundles for a discount.
Explore the price history chart below to track historical price changes and other pricing stats for Nientum - Op.ZERO.
About Nientum - Op.ZERO
Nientum - Op.ZERO is an Action, Indie, RPG, Casual, Adventure, Simulation, Sports, and Early Access game developed by QueseraGames Co., Ltd., and QueseraGames. On 11/24/2025, it was released on the Steam Store by QueseraGames, and QueseraGames Co., Ltd.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
It also supports 5 languanges in-game including English, Japanese, Korean, Chinese (Simplified), and Chinese (Traditional). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Nientum - Op.ZERO supports the following features:
- Single-player
- Family Sharing
From the Steam community, Nientum - Op.ZERO has been tagged with the following user tags:
- Music
- Difficult
- Lore-Rich
- Atmospheric
- Fantasy
- Story Rich
- Surreal
- Platformer
- Rhythm
- Visual Novel
- Hand-drawn
- Action-Adventure
- Dark Fantasy
- Anime
- Indie
- Action
- Adventure
- Female Protagonist
- 2D
- Emotional
Media & Sceenshots
Watch the featured video for Nientum - Op.ZERO and see the latest screenshots from the Steam Store.
Related Packages
Nientum - Op.ZERO is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Nientum - Op.ZERO | $17.99 | View |
Supported Languages
Nientum - Op.ZERO is available in 5 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | Yes | Yes |
| Korean | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Nientum - Op.ZERO data has been sourced from:
- Valve Corporation. (2026, January 2). Nientum - Op.ZERO on Steam. Steam Store. https://store.steampowered.com/app/2725250
- Valve Corporation. (2026, January 2). Nientum - Op.ZERO. Steam Community Hub. https://steamcommunity.com/app/2725250