The Game Census
Zup! S cover art

Zup! S

Quiet River · 2018-11-15

Steam

CasualIndie

Modes: Single player

Releases: Nov 15, 2018 (PC (Microsoft Windows))

Minimal physical puzzle with explosions

12
playing now
97%
positive of 16k reviews
Overwhelmingly Positive
steam rating
200,000–500,000
owners (SteamSpy est.)
70/100
IGDB user rating (4 ratings)
platinum
deck/linux tier (ProtonDB)
$1.99
steam price (US)

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

Health check

Healthy
  • · 12 players in-game at the last census sample.
  • · 1,187 reviews in the last 8 weeks (~148/week).
  • · Review velocity up 23% vs the prior 8 weeks.
  • · Top 3% of 9,617 Casual games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 404k–970k copies

Review-multiple estimate from 16,172 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
63063020182026Week of 2018-11-01: 127 positiveWeek of 2018-11-01: 11 negativeWeek of 2018-12-01: 94 positiveWeek of 2018-12-01: 4 negativeWeek of 2019-01-01: 107 positiveWeek of 2019-01-01: 2 negativeWeek of 2019-02-01: 48 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-03-01: 31 positiveWeek of 2019-03-01: 2 negativeWeek of 2019-04-01: 42 positiveWeek of 2019-04-01: 6 negativeWeek of 2019-05-01: 19 positiveWeek of 2019-05-01: 3 negativeWeek of 2019-06-01: 381 positiveWeek of 2019-06-01: 8 negativeWeek of 2019-07-01: 233 positiveWeek of 2019-07-01: 2 negativeWeek of 2019-08-01: 50 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 44 positiveWeek of 2019-10-01: 40 positiveWeek of 2019-10-01: 1 negativeWeek of 2019-11-01: 93 positiveWeek of 2019-11-01: 7 negativeWeek of 2019-12-01: 86 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 114 positiveWeek of 2020-01-01: 4 negativeWeek of 2020-02-01: 68 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 75 positiveWeek of 2020-03-01: 5 negativeWeek of 2020-04-01: 129 positiveWeek of 2020-04-01: 4 negativeWeek of 2020-05-01: 138 positiveWeek of 2020-05-01: 7 negativeWeek of 2020-06-01: 221 positiveWeek of 2020-06-01: 6 negativeWeek of 2020-07-01: 354 positiveWeek of 2020-07-01: 8 negativeWeek of 2020-08-01: 174 positiveWeek of 2020-08-01: 6 negativeWeek of 2020-09-01: 179 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 217 positiveWeek of 2020-10-01: 7 negativeWeek of 2020-11-01: 353 positiveWeek of 2020-11-01: 5 negativeWeek of 2020-12-01: 384 positiveWeek of 2020-12-01: 5 negativeWeek of 2021-01-01: 421 positiveWeek of 2021-01-01: 15 negativeWeek of 2021-02-01: 281 positiveWeek of 2021-02-01: 9 negativeWeek of 2021-03-01: 423 positiveWeek of 2021-03-01: 3 negativeWeek of 2021-04-01: 355 positiveWeek of 2021-04-01: 9 negativeWeek of 2021-05-01: 419 positiveWeek of 2021-05-01: 9 negativeWeek of 2021-06-01: 428 positiveWeek of 2021-06-01: 8 negativeWeek of 2021-07-01: 460 positiveWeek of 2021-07-01: 16 negativeWeek of 2021-08-01: 283 positiveWeek of 2021-08-01: 6 negativeWeek of 2021-09-01: 249 positiveWeek of 2021-09-01: 2 negativeWeek of 2021-10-01: 231 positiveWeek of 2021-10-01: 9 negativeWeek of 2021-11-01: 630 positiveWeek of 2021-11-01: 9 negativeWeek of 2021-12-01: 296 positiveWeek of 2021-12-01: 9 negativeWeek of 2022-01-01: 338 positiveWeek of 2022-01-01: 9 negativeWeek of 2022-02-01: 294 positiveWeek of 2022-02-01: 6 negativeWeek of 2022-03-01: 263 positiveWeek of 2022-03-01: 7 negativeWeek of 2022-04-01: 225 positiveWeek of 2022-04-01: 3 negativeWeek of 2022-05-01: 227 positiveWeek of 2022-05-01: 6 negativeWeek of 2022-06-01: 269 positiveWeek of 2022-06-01: 9 negativeWeek of 2022-07-01: 316 positiveWeek of 2022-07-01: 6 negativeWeek of 2022-08-01: 217 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 168 positiveWeek of 2022-09-01: 5 negativeWeek of 2022-10-01: 130 positiveWeek of 2022-10-01: 6 negativeWeek of 2022-11-01: 353 positiveWeek of 2022-11-01: 14 negativeWeek of 2022-12-01: 214 positiveWeek of 2022-12-01: 9 negativeWeek of 2023-01-01: 199 positiveWeek of 2023-01-01: 5 negativeWeek of 2023-02-01: 159 positiveWeek of 2023-02-01: 8 negativeWeek of 2023-03-01: 229 positiveWeek of 2023-03-01: 6 negativeWeek of 2023-04-01: 188 positiveWeek of 2023-04-01: 5 negativeWeek of 2023-05-01: 197 positiveWeek of 2023-05-01: 7 negativeWeek of 2023-06-01: 212 positiveWeek of 2023-06-01: 15 negativeWeek of 2023-07-01: 283 positiveWeek of 2023-07-01: 10 negativeWeek of 2023-08-01: 134 positiveWeek of 2023-08-01: 4 negativeWeek of 2023-09-01: 230 positiveWeek of 2023-09-01: 6 negativeWeek of 2023-10-01: 126 positiveWeek of 2023-10-01: 5 negativeWeek of 2023-11-01: 252 positiveWeek of 2023-11-01: 8 negativeWeek of 2023-12-01: 166 positiveWeek of 2023-12-01: 9 negativeWeek of 2024-01-01: 151 positiveWeek of 2024-01-01: 7 negativeWeek of 2024-02-01: 134 positiveWeek of 2024-02-01: 6 negativeWeek of 2024-03-01: 154 positiveWeek of 2024-03-01: 10 negativeWeek of 2024-04-01: 118 positiveWeek of 2024-04-01: 5 negativeWeek of 2024-05-01: 121 positiveWeek of 2024-05-01: 11 negativeWeek of 2024-06-01: 127 positiveWeek of 2024-06-01: 8 negativeWeek of 2024-07-01: 197 positiveWeek of 2024-07-01: 6 negativeWeek of 2024-08-01: 136 positiveWeek of 2024-08-01: 10 negativeWeek of 2024-09-01: 171 positiveWeek of 2024-09-01: 6 negativeWeek of 2024-10-01: 87 positiveWeek of 2024-10-01: 8 negativeWeek of 2024-11-01: 126 positiveWeek of 2024-11-01: 7 negativeWeek of 2024-12-01: 219 positiveWeek of 2024-12-01: 7 negativeWeek of 2025-01-01: 159 positiveWeek of 2025-01-01: 8 negativeWeek of 2025-02-01: 119 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 177 positiveWeek of 2025-03-01: 8 negativeWeek of 2025-04-01: 107 positiveWeek of 2025-04-01: 4 negativeWeek of 2025-05-01: 89 positiveWeek of 2025-05-01: 5 negativeWeek of 2025-06-01: 119 positiveWeek of 2025-06-01: 6 negativeWeek of 2025-07-01: 157 positiveWeek of 2025-07-01: 7 negativeWeek of 2025-08-01: 121 positiveWeek of 2025-08-01: 5 negativeWeek of 2025-09-01: 81 positiveWeek of 2025-09-01: 7 negativeWeek of 2025-10-01: 148 positiveWeek of 2025-10-01: 6 negativeWeek of 2025-11-01: 96 positiveWeek of 2025-11-01: 5 negativeWeek of 2025-12-01: 179 positiveWeek of 2025-12-01: 10 negativeWeek of 2026-01-01: 162 positiveWeek of 2026-01-01: 2 negativeWeek of 2026-02-01: 152 positiveWeek of 2026-02-01: 7 negativeWeek of 2026-03-01: 153 positiveWeek of 2026-03-01: 8 negativeWeek of 2026-04-01: 135 positiveWeek of 2026-04-01: 12 negativeWeek of 2026-05-01: 103 positiveWeek of 2026-05-01: 12 negativeWeek of 2026-06-01: 95 positiveWeek of 2026-06-01: 11 negativeWeek of 2026-07-01: 139 positiveWeek of 2026-07-01: 7 negativeWeek of 2026-08-01: 110 positiveWeek of 2026-08-01: 4 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

5852026-08-06 23:00 — 9 players2026-08-07 07:00 — 11 players2026-08-07 15:00 — 21 players2026-08-07 23:00 — 10 players2026-08-08 07:00 — 15 players2026-08-08 15:00 — 13 players2026-08-08 23:00 — 13 players2026-08-09 07:00 — 9 players2026-08-09 15:00 — 23 players2026-08-09 23:00 — 18 players2026-08-10 07:00 — 15 players2026-08-10 16:00 — 14 players2026-08-11 00:00 — 13 players2026-08-11 08:00 — 10 players2026-08-11 16:00 — 17 players2026-08-13 00:00 — 7 players2026-08-14 07:00 — 8 players2026-08-15 15:00 — 23 players2026-08-16 23:00 — 16 players2026-08-18 06:00 — 25 players2026-08-19 14:00 — 58 players2026-08-20 21:00 — 35 players2026-08-22 05:00 — 10 players2026-08-23 12:00 — 30 players2026-08-24 20:00 — 22 players2026-08-26 04:00 — 14 players2026-08-27 12:00 — 13 players2026-08-28 20:00 — 16 players2026-08-30 02:00 — 12 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 $0.792024-07-11 — 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 $0.792025-03-20 — 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
87.3%
earned "A"
85%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing

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

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)18,80860%800

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

Player tags

2DCuteIndieLogicShortCasualPuzzlePhysicsRelaxingStrategy

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.