How many people are playing Nientum - Op.ZERO right now?

53 people are playing Nientum - Op.ZERO on Steam right now, making it the 3152nd most played game on Steam. In the last 24 hours it peaked at 105 players. The number updates every few minutes.

What is Nientum - Op.ZERO's all-time peak player count?

Nientum - Op.ZERO's highest concurrent player count on Steam is 198, reached in October 2026.

Is Nientum - Op.ZERO good? What do Steam reviews say?

98% of 512 Steam user reviews are positive (Overwhelmingly Positive).

How much does Nientum - Op.ZERO cost on Steam?

Nientum - Op.ZERO costs $19.99 on Steam (US).

Does Nientum - Op.ZERO work on Steam Deck?

Nientum - Op.ZERO is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Nientum - Op.ZERO

by QueseraGames · Released Oct 14, 2026

Steam Deck Playable

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Players now

#3,152

▲ 47.2%vs 24h ago · updates every minute

Review score

98% positive

Overwhelmingly Positive512 reviews

Owners (est., from reviews)10.2K–30.7K

24h peak

105

Highest seen198

Oct 14, 202620 days ago

Price on Steam

$19.99

Lowest ever $19.99 Oct 2026

RisingSteadyFalling

Players +47.2% in the last 24 hoursUpdated 08:55 UTC · tracking since 2025-12-01

Concurrent players

Last 7 days

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs and price history from Steam.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$19.99

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Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

Nientum - Op.ZEROEdition
$19.99
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Bundles with this game (1), biggest discount first

QueseraGames BundleBundle
$35.98
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Reviews

98% positive of 512 · Overwhelmingly Positive · Live from Steam

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Steam Deck

Works, but may need extra effort. Results from Valve's own testing.

Steam Deck Playable

!Controller glyphs do not match deck device
!Interface text is not legible
✓Default controller config fully functional
✓Default configuration is performant
iSingleplayer gameplay requires active internet connection

Steam Deck

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Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Nov 2, 2026, 3:20 AM UTC
Build 26371129−12.1 KB3.6 GB on Windows
Changed: Shared content (1 download)
Oct 30, 2026, 4:26 AM UTC
Build 26315052the current build when we started tracking3.6 GB on Windows

Patch notes

Oct 29, 2026
Patch[2026.10.29] Nientum - Op.ZERO Patch Notes 1.0.16
Hello, this is QueseraGames. Here are the patch notes for Nientum - Op.ZERO version 1.0.16. Patch 1.0.16 Fixed an issue where a cutscene error occurred when replaying a specific cutscene after skipping it If you run into any issues while playing, please let us…
Oct 27, 2026
Patch[2026.10.27] Nientum - Op.ZERO Patch Notes 1.0.15
Hello, this is QueseraGames. Here are the patch notes for Nientum - Op.ZERO version 1.0.15. Patch 1.0.15 You can now change the difficulty in some stages where you cannot return to the lobby Fixed errors in some Hard patterns Fixed an issue where the cutscene …
Oct 22, 2026
Patch[2026.10.22] Nientum - Op.ZERO Patch Notes 1.0.14
Hello, this is QueseraGames. Here are the patch notes for Nientum - Op.ZERO version 1.0.14. Patch 1.0.14 Added the option to choose "From the Beginning" or "From Checkpoint" when retrying a stage The pause screen now shows a description of the current story di…
Oct 17, 2026
Patch[2026.10.18] Nientum - Op.ZERO Patch Notes 1.0.13
Hello, this is QueseraGames. Here are the patch notes for Nientum - Op.ZERO version 1.0.13. Patch 1.0.13 Fixed an issue where song info was not displayed correctly in Free Play Fixed an issue where the note hit effect did not play correctly in certain situatio…
Oct 16, 2026
Patch[2026.10.17] Nientum - Op.ZERO Patch Notes 1.0.12
Hello, this is QueseraGames. Here are the patch notes for Nientum - Op.ZERO version 1.0.12. Patch 1.0.12 Fixed an issue where some achievements could not be unlocked Fixed an issue where a certain ending could not be reached Lowered the HD difficulty of a cert…
Oct 14, 2026
Patch[Oct 14] Nientum - Op.ZERO Full Release Update
Nientum - Op.ZERO Officially Raises Its Curtain Today Hello, this is QueseraGames. Nientum - Op.ZERO, which first opened its theater doors in Early Access on November 24, 2025, has reached its full release today. We sincerely thank everyone who played during E…

Other news (8)

Nov 2, 2026
[2026.11.02] "Overwhelmingly Positive" Achieved & Thank-You Giveaway
Hello, this is QueseraGames. Just 18 days after the full release, Nientum has reached "Overwhelmingly Positive" in all Steam reviews. This is the first time any of our games has received this rating. It's a rating every game developer dreams of at least once, …
Oct 21, 2026
[2026.10.21] Nientum - Op.ZERO Reaches "Overwhelmingly Positive" & Thank You for
Hello, this is QueseraGames. It has been one week since the full release of Nientum - Op.ZERO. Recent Reviews on Steam: "Overwhelmingly Positive" This is the highest rating a game can receive on Steam. Just one week after launch, this is what you made happen. …
Oct 18, 2026
[2026.10.18] Nientum - Op.ZERO Launch Discount & QueseraGames Bundle
Hello, this is QueseraGames. We have two pieces of news for you: a launch discount to celebrate the official release, and a bundle that lets you enjoy KALPA: Cosmic Symphony alongside Nientum - Op.ZERO. Launch Sale: 20% Off Until October 28 To celebrate the of…
Oct 2, 2026
[Full Release on Oct 14] 30 Free Play Tracks Revealed
Thirty New Performances Revealed Hello, this is QueseraGames. We are revealing the 30 tracks you will be able to enjoy in Free Play with the full release on October 14, 2026. Sakuzyo, Street, Team Grimoire, Ice, Sennzai, Nanahira, and 22 more artists have join…
Aug 20, 2026
Nientum - Op.ZERO Official Release Confirmed for October 14, 2026 (Wed)
Nientum - Op.ZERO Official Release Confirmed for October 14, 2026 (Wed) The release date announcement trailer is now available.
Jul 6, 2026
2026 Steam Summer Sale Discount (2026.06.26 - 2026.07.10)

Patches & builds

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History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 98% on 2026-11-01 → 98% today (512 reviews)

Nov 2, 2026New build#26371129
Oct 31, 2026Price$19.99

History

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Trading cards

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Nientum - Op.ZERO player count and quick facts

How many people are playing Nientum - Op.ZERO right now?: 53 people are playing Nientum - Op.ZERO on Steam right now, making it the 3152nd most played game on Steam. In the last 24 hours it peaked at 105 players. The number updates every few minutes.
What is Nientum - Op.ZERO's all-time peak player count?: Nientum - Op.ZERO's highest concurrent player count on Steam is 198, reached in October 2026.
Is Nientum - Op.ZERO good? What do Steam reviews say?: 98% of 512 Steam user reviews are positive (Overwhelmingly Positive).
How much does Nientum - Op.ZERO cost on Steam?: Nientum - Op.ZERO costs $19.99 on Steam (US).
Does Nientum - Op.ZERO work on Steam Deck?: Nientum - Op.ZERO is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Live data from Steam, tracked by SteamPlayerBase.

Store info

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.

Developer: QueseraGames
Publisher: QueseraGames
Release date: Oct 14, 2026
Install size: —
Platforms: Windows
Genres: Action, Adventure, Casual, Indie, RPG, Simulation, Sports · All
Steam app ID: 2725250

Nientum - Op.ZERO

Key stats

Concurrent players

Media & details

Where to buy

Other authorized stores

Editions and bundles on Steam

Reviews

Steam Deck

Steam Deck

Patches & builds

Patch notes

Patches & builds

History

History

Trading cards

Nientum - Op.ZERO player count and quick facts

Related games

More from QueseraGames

Related games

Store info

Nientum - Op.ZERO player count and quick facts

Steam Deck

History

Patches & builds

Patch notes

Related games

More from QueseraGames