The Game Census
Nientum - Op.ZERO cover art

Nientum - Op.ZERO

QueseraGames · 2025-11-24

Steam

ActionAdventureCasualIndieRPGSimulationSportsEarly Access

Modes: Single player

Releases: Nov 24, 2025 (PC (Microsoft Windows))

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.

99%
positive of 216 reviews
Very Positive
steam rating
$19.99
steam price (US)

Health check

Quiet
  • · 19 reviews in the last 8 weeks (~2/week).
  • · Review velocity up 73% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (70 reviews).
  • · Top 58% of 10,903 Action games in the census by review count.
Estimated sales: 4.3k–9.7k copies

Review-multiple estimate from 216 total reviews — how this is computed.

All-time low: $15.99 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $19.99 · on sale 1 of 8 observed days (census price snapshots)

Review momentum

PositiveNegative
686820252026Week of 2025-11-24: 68 positiveWeek of 2025-11-24: 2 negativeWeek of 2025-12-01: 28 positiveWeek of 2025-12-08: 4 positiveWeek of 2025-12-15: 5 positiveWeek of 2025-12-22: 4 positiveWeek of 2025-12-29: 2 positiveWeek of 2026-01-12: 3 positiveWeek of 2026-01-19: 2 positiveWeek of 2026-01-26: 1 positiveWeek of 2026-02-02: 2 positiveWeek of 2026-02-09: 1 positiveWeek of 2026-02-16: 3 positiveWeek of 2026-02-23: 1 positiveWeek of 2026-03-16: 4 positiveWeek of 2026-03-23: 5 positiveWeek of 2026-03-30: 2 positiveWeek of 2026-04-06: 1 positiveWeek of 2026-04-27: 1 positiveWeek of 2026-05-04: 1 positiveWeek of 2026-05-11: 1 positiveWeek of 2026-05-18: 1 positiveWeek of 2026-05-25: 1 positiveWeek of 2026-06-01: 3 positiveWeek of 2026-06-22: 3 positiveWeek of 2026-06-29: 2 positiveWeek of 2026-07-06: 5 positiveWeek of 2026-07-13: 3 positiveWeek of 2026-07-27: 1 positiveWeek of 2026-08-03: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$19.99$15.992025-11-242026-07-092025-11-24 — best price $17.992025-12-01 — best price $19.992026-03-19 — best price $17.992026-03-26 — best price $19.992026-04-25 — best price $17.992026-05-02 — best price $19.992026-06-25 — best price $15.992026-07-09 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerFamily Sharing

4 supported languages: English, Japanese, Korean, Simplified Chinese

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)0—47

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

Don't Knock TwiceDARQ: Complete EditionOmensight: Definitive EditionEternity: The Last UnicornApsulov: End of GodsONINAKITorchlight III

Similarity via IGDB.

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