The Game Census
Zup! Zero cover art

Zup! Zero

Quiet River · 2017-04-06

Steam

CasualIndie

Modes: Single player

Releases: Apr 06, 2017 (PC (Microsoft Windows))

Minimal physical puzzle with explosions

Zup! Zero is a Casual and Indie game released in 2017, priced at $1.99, with an estimated 100,000 .. 200,000 owners and a Very Positive review sentiment (93% of 2747 reviews).

0
playing now
93%
positive of 2.7k reviews
Very Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
54/100
IGDB user rating (7 ratings)
gold
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$1.99
steam price (US)

0 players in-game as of 2026-10-15 06:00 UTC (census sample)

Health check

Quietly active
  • · 0 players in-game at the last census sample.
  • · 84 reviews in the last 8 weeks (~11/week).
  • · Review velocity up 1% vs the prior 8 weeks.
  • · Top 4% of 29,497 Casual games in the census by review count.

Health tier since 2026-08-30

Estimated sales: 69k–165k copies

Review-multiple estimate from 2,747 total reviews — how this is computed.

All-time low: $0.55 at Steam (2024-12-19)via IsThereAnyDeal

12-month high $1.99 · on sale 5 of 10 observed days (census price snapshots)

Review momentum

PositiveNegative
16416420182026Week of 2018-01-01: 40 positiveWeek of 2018-01-01: 3 negativeWeek of 2018-02-01: 23 positiveWeek of 2018-02-01: 2 negativeWeek of 2018-03-01: 39 positiveWeek of 2018-04-01: 23 positiveWeek of 2018-04-01: 2 negativeWeek of 2018-05-01: 23 positiveWeek of 2018-05-01: 2 negativeWeek of 2018-06-01: 29 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 26 positiveWeek of 2018-07-01: 3 negativeWeek of 2018-08-01: 13 positiveWeek of 2018-09-01: 16 positiveWeek of 2018-10-01: 16 positiveWeek of 2018-10-01: 2 negativeWeek of 2018-11-01: 25 positiveWeek of 2018-11-01: 2 negativeWeek of 2018-12-01: 19 positiveWeek of 2018-12-01: 1 negativeWeek of 2019-01-01: 11 positiveWeek of 2019-01-01: 5 negativeWeek of 2019-02-01: 13 positiveWeek of 2019-02-01: 1 negativeWeek of 2019-03-01: 10 positiveWeek of 2019-04-01: 10 positiveWeek of 2019-05-01: 14 positiveWeek of 2019-05-01: 1 negativeWeek of 2019-06-01: 164 positiveWeek of 2019-06-01: 2 negativeWeek of 2019-07-01: 91 positiveWeek of 2019-07-01: 3 negativeWeek of 2019-08-01: 11 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 9 positiveWeek of 2019-09-01: 2 negativeWeek of 2019-10-01: 11 positiveWeek of 2019-11-01: 22 positiveWeek of 2019-11-01: 2 negativeWeek of 2019-12-01: 22 positiveWeek of 2019-12-01: 2 negativeWeek of 2020-01-01: 26 positiveWeek of 2020-01-01: 3 negativeWeek of 2020-02-01: 18 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 22 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 38 positiveWeek of 2020-04-01: 1 negativeWeek of 2020-05-01: 28 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 38 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 38 positiveWeek of 2020-07-01: 3 negativeWeek of 2020-08-01: 27 positiveWeek of 2020-08-01: 2 negativeWeek of 2020-09-01: 21 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 32 positiveWeek of 2020-10-01: 2 negativeWeek of 2020-11-01: 38 positiveWeek of 2020-11-01: 3 negativeWeek of 2020-12-01: 53 positiveWeek of 2020-12-01: 1 negativeWeek of 2021-01-01: 41 positiveWeek of 2021-01-01: 3 negativeWeek of 2021-02-01: 38 positiveWeek of 2021-02-01: 3 negativeWeek of 2021-03-01: 24 positiveWeek of 2021-03-01: 3 negativeWeek of 2021-04-01: 27 positiveWeek of 2021-04-01: 2 negativeWeek of 2021-05-01: 27 positiveWeek of 2021-05-01: 3 negativeWeek of 2021-06-01: 38 positiveWeek of 2021-06-01: 2 negativeWeek of 2021-07-01: 39 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-08-01: 20 positiveWeek of 2021-09-01: 16 positiveWeek of 2021-09-01: 1 negativeWeek of 2021-10-01: 14 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 26 positiveWeek of 2021-11-01: 2 negativeWeek of 2021-12-01: 21 positiveWeek of 2021-12-01: 2 negativeWeek of 2022-01-01: 23 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 16 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 19 positiveWeek of 2022-04-01: 14 positiveWeek of 2022-05-01: 14 positiveWeek of 2022-06-01: 22 positiveWeek of 2022-06-01: 2 negativeWeek of 2022-07-01: 26 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 11 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 14 positiveWeek of 2022-10-01: 11 positiveWeek of 2022-11-01: 16 positiveWeek of 2022-11-01: 2 negativeWeek of 2022-12-01: 9 positiveWeek of 2022-12-01: 1 negativeWeek of 2023-01-01: 18 positiveWeek of 2023-02-01: 13 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 15 positiveWeek of 2023-04-01: 12 positiveWeek of 2023-05-01: 12 positiveWeek of 2023-06-01: 9 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 15 positiveWeek of 2023-07-01: 1 negativeWeek of 2023-08-01: 4 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 21 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 11 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 13 positiveWeek of 2023-11-01: 2 negativeWeek of 2023-12-01: 9 positiveWeek of 2024-01-01: 14 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 12 positiveWeek of 2024-02-01: 1 negativeWeek of 2024-03-01: 19 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 7 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 10 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 13 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 26 positiveWeek of 2024-08-01: 12 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 15 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 9 positiveWeek of 2024-11-01: 10 positiveWeek of 2024-12-01: 19 positiveWeek of 2025-01-01: 5 positiveWeek of 2025-02-01: 8 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 8 positiveWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 5 positiveWeek of 2025-05-01: 13 positiveWeek of 2025-06-01: 6 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 11 positiveWeek of 2025-08-01: 8 positiveWeek of 2025-09-01: 9 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 15 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 11 positiveWeek of 2025-12-01: 8 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-01-01: 12 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 11 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 13 positiveWeek of 2026-04-01: 6 positiveWeek of 2026-05-01: 9 positiveWeek of 2026-06-01: 9 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 11 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 7 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

402026-09-15 15:00 — 1 players2026-09-17 00:00 — 1 players2026-09-18 07:00 — 1 players2026-09-19 15:00 — 1 players2026-09-20 22:00 — 1 players2026-09-22 06:00 — 0 players2026-09-23 13:00 — 1 players2026-09-24 21:00 — 0 players2026-09-26 04:00 — 1 players2026-09-27 12:00 — 0 players2026-09-28 19:00 — 0 players2026-09-30 03:00 — 1 players2026-10-01 10:00 — 1 players2026-10-02 18:00 — 0 players2026-10-04 02:00 — 0 players2026-10-05 10:00 — 1 players2026-10-06 17:00 — 4 players2026-10-08 01:00 — 2 players2026-10-09 08:00 — 1 players2026-10-10 16:00 — 2 players2026-10-11 23:00 — 0 players2026-10-13 07:00 — 1 players2026-10-14 14:00 — 0 players2026-10-15 06:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).
271Apr 2017Jul 2026Apr 2017 — avg 27 · peak 274Jul 2017 — avg 17 · peak 106Oct 2017 — avg 7 · peak 83Jan 2018 — avg 6 · peak 74Apr 2018 — avg 4 · peak 15Jul 2018 — avg 6 · peak 44Oct 2018 — avg 2 · peak 25Jan 2019 — avg 6 · peak 60Apr 2019 — avg 2 · peak 20Jul 2019 — avg 10 · peak 59Oct 2019 — avg 2 · peak 9Jan 2020 — avg 8 · peak 229Apr 2020 — avg 8 · peak 21Jul 2020 — avg 13 · peak 108Oct 2020 — avg 5 · peak 23Jan 2021 — avg 7 · peak 31Apr 2021 — avg 5 · peak 16Jul 2021 — avg 11 · peak 42Oct 2021 — avg 6 · peak 89Jan 2022 — avg 6 · peak 118Apr 2022 — avg 4 · peak 28Jul 2022 — avg 6 · peak 301Oct 2022 — avg 2 · peak 11Mar 2023 — avg 2 · peak 6Jun 2023 — avg 3 · peak 11Sep 2023 — avg 3 · peak 21Jan 2024 — avg 2 · peak 7Apr 2024 — avg 2 · peak 5Sep 2024 — avg 2 · peak 16Jan 2025 — avg 2 · peak 7Oct 2025 — avg 4 · peak 107Mar 2026 — avg 2 · peak 29Jul 2026 — avg 7 · peak 54

▲ +1 avg players vs prior month — Jul 2026

Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$1.99$0.552024-02-112026-08-242024-02-11 — best price $1.992024-03-15 — best price $0.592024-03-21 — best price $1.992024-06-27 — best price $0.592024-07-11 — best price $1.992024-09-16 — best price $0.592024-09-23 — best price $1.992024-11-27 — best price $0.592024-12-04 — best price $1.992024-12-19 — best price $0.552025-01-02 — best price $1.992025-03-13 — best price $0.592025-03-20 — best price $1.992025-06-26 — best price $0.792025-07-10 — best price $1.992025-09-29 — best price $0.692025-10-06 — best price $1.992025-12-18 — best price $0.592026-01-05 — best price $1.992026-02-09 — best price $0.592026-02-16 — best price $1.992026-03-19 — best price $0.592026-03-26 — best price $1.992026-06-25 — best price $0.692026-07-09 — best price $1.992026-08-17 — best price $0.692026-08-24 — best price $1.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

60+
achievements tracked
57.1%
earned "A"
56.3%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing1 DLC

40 supported languages: English, French, Italian, German, Spanish - Spain, Arabic, Bulgarian, Portuguese - Brazil, Hungarian, Greek, Danish, Traditional Chinese…

Post-launch support: 1 DLC released, first 2017-05-01 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)12,02078%1,043

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

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

2DCuteIndieShortCasualPuzzleClickerPhysicsRelaxingFast-Paced

Census log

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

Players also track

Unclaimed WorldZigguratToby: The Secret MineThe Jackbox Party Pack 3FigmentUse Your WordsZup! 2Zup! 4

Similarity via IGDB.