The Game Census
Zup! X cover art

Zup! X

Quiet River · 2018-05-17

Steam

CasualIndie

Modes: Single player

Releases: May 17, 2018 (PC (Microsoft Windows))

Minimal physical puzzle with explosions

4
playing now
96%
positive of 6.8k reviews
Overwhelmingly Positive
steam rating
200,000–500,000
owners (SteamSpy est.)
51/100
IGDB user rating (6 ratings)
platinum
deck/linux tier (ProtonDB)
$1.99
steam price (US)

4 players in-game as of 2026-08-30 02:00 UTC (census sample)

Health check

Healthy
  • · 4 players in-game at the last census sample.
  • · 232 reviews in the last 8 weeks (~29/week).
  • · Review velocity down 4% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (1,789 reviews).
  • · Top 5% of 9,562 Casual games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 171k–410k copies

Review-multiple estimate from 6,832 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$1.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $0.59 at Steam (2024-03-15)via IsThereAnyDeal

12-month high $1.99 · on sale 6 of 12 observed days (census price snapshots)

Review momentum

PositiveNegative
1.7k1.7k20182026Week of 2018-05-01: 182 positiveWeek of 2018-05-01: 9 negativeWeek of 2018-06-01: 92 positiveWeek of 2018-06-01: 8 negativeWeek of 2018-07-01: 68 positiveWeek of 2018-08-01: 31 positiveWeek of 2018-08-01: 2 negativeWeek of 2018-09-01: 34 positiveWeek of 2018-10-01: 37 positiveWeek of 2018-11-01: 84 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 50 positiveWeek of 2018-12-01: 1 negativeWeek of 2019-01-01: 48 positiveWeek of 2019-01-01: 1 negativeWeek of 2019-02-01: 53 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-03-01: 32 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 45 positiveWeek of 2019-04-01: 2 negativeWeek of 2019-05-01: 45 positiveWeek of 2019-05-01: 1 negativeWeek of 2019-06-01: 1,745 positiveWeek of 2019-06-01: 44 negativeWeek of 2019-07-01: 695 positiveWeek of 2019-07-01: 20 negativeWeek of 2019-08-01: 69 positiveWeek of 2019-08-01: 3 negativeWeek of 2019-09-01: 34 positiveWeek of 2019-09-01: 1 negativeWeek of 2019-10-01: 47 positiveWeek of 2019-10-01: 1 negativeWeek of 2019-11-01: 76 positiveWeek of 2019-11-01: 5 negativeWeek of 2019-12-01: 72 positiveWeek of 2019-12-01: 4 negativeWeek of 2020-01-01: 82 positiveWeek of 2020-01-01: 3 negativeWeek of 2020-02-01: 37 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-03-01: 55 positiveWeek of 2020-03-01: 5 negativeWeek of 2020-04-01: 76 positiveWeek of 2020-04-01: 1 negativeWeek of 2020-05-01: 59 positiveWeek of 2020-05-01: 4 negativeWeek of 2020-06-01: 82 positiveWeek of 2020-06-01: 3 negativeWeek of 2020-07-01: 162 positiveWeek of 2020-07-01: 5 negativeWeek of 2020-08-01: 75 positiveWeek of 2020-08-01: 4 negativeWeek of 2020-09-01: 49 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 47 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 123 positiveWeek of 2020-11-01: 3 negativeWeek of 2020-12-01: 111 positiveWeek of 2020-12-01: 6 negativeWeek of 2021-01-01: 107 positiveWeek of 2021-01-01: 2 negativeWeek of 2021-02-01: 86 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 93 positiveWeek of 2021-03-01: 3 negativeWeek of 2021-04-01: 82 positiveWeek of 2021-04-01: 3 negativeWeek of 2021-05-01: 71 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-06-01: 93 positiveWeek of 2021-06-01: 3 negativeWeek of 2021-07-01: 104 positiveWeek of 2021-07-01: 4 negativeWeek of 2021-08-01: 54 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 50 positiveWeek of 2021-10-01: 37 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 86 positiveWeek of 2021-11-01: 3 negativeWeek of 2021-12-01: 73 positiveWeek of 2021-12-01: 6 negativeWeek of 2022-01-01: 82 positiveWeek of 2022-01-01: 3 negativeWeek of 2022-02-01: 52 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 49 positiveWeek of 2022-03-01: 2 negativeWeek of 2022-04-01: 42 positiveWeek of 2022-04-01: 3 negativeWeek of 2022-05-01: 28 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 73 positiveWeek of 2022-06-01: 3 negativeWeek of 2022-07-01: 66 positiveWeek of 2022-07-01: 2 negativeWeek of 2022-08-01: 48 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 34 positiveWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 39 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 64 positiveWeek of 2022-11-01: 7 negativeWeek of 2022-12-01: 47 positiveWeek of 2022-12-01: 4 negativeWeek of 2023-01-01: 62 positiveWeek of 2023-01-01: 3 negativeWeek of 2023-02-01: 37 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 37 positiveWeek of 2023-03-01: 2 negativeWeek of 2023-04-01: 36 positiveWeek of 2023-04-01: 2 negativeWeek of 2023-05-01: 40 positiveWeek of 2023-06-01: 23 positiveWeek of 2023-06-01: 2 negativeWeek of 2023-07-01: 56 positiveWeek of 2023-08-01: 18 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 45 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 17 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 43 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 35 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 43 positiveWeek of 2024-01-01: 3 negativeWeek of 2024-02-01: 33 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 39 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 31 positiveWeek of 2024-05-01: 27 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 34 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 55 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 21 positiveWeek of 2024-08-01: 4 negativeWeek of 2024-09-01: 41 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 24 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 22 positiveWeek of 2024-11-01: 2 negativeWeek of 2024-12-01: 46 positiveWeek of 2024-12-01: 3 negativeWeek of 2025-01-01: 23 positiveWeek of 2025-01-01: 4 negativeWeek of 2025-02-01: 28 positiveWeek of 2025-03-01: 35 positiveWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 26 positiveWeek of 2025-04-01: 2 negativeWeek of 2025-05-01: 29 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 33 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 34 positiveWeek of 2025-07-01: 3 negativeWeek of 2025-08-01: 27 positiveWeek of 2025-08-01: 3 negativeWeek of 2025-09-01: 14 positiveWeek of 2025-09-01: 3 negativeWeek of 2025-10-01: 28 positiveWeek of 2025-10-01: 2 negativeWeek of 2025-11-01: 33 positiveWeek of 2025-12-01: 38 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 32 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 22 positiveWeek of 2026-03-01: 23 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 30 positiveWeek of 2026-04-01: 4 negativeWeek of 2026-05-01: 25 positiveWeek of 2026-05-01: 2 negativeWeek of 2026-06-01: 24 positiveWeek of 2026-06-01: 3 negativeWeek of 2026-07-01: 23 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 22 positiveWeek of 2026-08-01: 4 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1202026-08-06 23:00 — 1 players2026-08-07 07:00 — 3 players2026-08-07 15:00 — 2 players2026-08-07 23:00 — 3 players2026-08-08 07:00 — 0 players2026-08-08 15:00 — 2 players2026-08-08 23:00 — 1 players2026-08-09 07:00 — 2 players2026-08-09 15:00 — 2 players2026-08-09 23:00 — 6 players2026-08-10 07:00 — 2 players2026-08-10 12:00 — 3 players2026-08-10 20:00 — 2 players2026-08-11 04:00 — 3 players2026-08-11 12:00 — 3 players2026-08-12 08:00 — 5 players2026-08-13 15:00 — 3 players2026-08-14 23:00 — 4 players2026-08-16 07:00 — 3 players2026-08-17 14:00 — 5 players2026-08-18 22:00 — 0 players2026-08-20 05:00 — 6 players2026-08-21 13:00 — 10 players2026-08-22 20:00 — 7 players2026-08-24 04:00 — 4 players2026-08-25 12:00 — 2 players2026-08-26 20:00 — 4 players2026-08-28 04:00 — 6 players2026-08-29 12:00 — 6 players2026-08-30 02:00 — 4 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$1.99$0.592024-02-112026-08-242024-02-11 — 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 $0.592025-01-02 — 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
73.9%
earned "A"
72.8%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing

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

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)12,89066%2,880

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

Player tags

2DCuteIndieShortCasualPuzzleRhythmPhysicsRelaxingFast-Paced

Census log

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

Players also track

Don't Knock TwiceHouse of CaravanRusty Lake HotelUnforeseen IncidentsQuern - Undying ThoughtsRusty Lake: RootsA Fisherman's TaleSemblance

Similarity via IGDB.