The Game Census
Riddle Joker cover art

Riddle Joker

YUZUSOFT · NekoNyan Ltd. · 2020-12-18

SteamGOG

AdventureCasual

Modes: Single player

Releases: Dec 18, 2020 (PC (Microsoft Windows))

For decades, superpowers and psychic abilities were thought to be mere science fiction, but the discovery of a certain particle called the "Astron" at the end of the 20th century proved to the world that these wondrous phenomena were real.

55
playing now
98%
positive of 7.0k reviews
Overwhelmingly Positive
steam rating
100,000–200,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
$34.99
steam price (US)

55 players in-game as of 2026-08-30 04:00 UTC (census sample)

Health check

Healthy
  • · 55 players in-game at the last census sample.
  • · 399 reviews in the last 8 weeks (~50/week).
  • · Review velocity down 12% vs the prior 8 weeks.
  • · Top 10% of 11,312 Adventure games in the census by review count.

Health tier since 2026-08-28

Estimated sales: 140k–316k copies

Review-multiple estimate from 7,019 total reviews — how this is computed.

Current store prices

GOG$34.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $18.54 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $34.99 · on sale 11 of 24 observed days · $16.45 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
51551520202026Week of 2020-12-01: 515 positiveWeek of 2020-12-01: 2 negativeWeek of 2021-01-01: 227 positiveWeek of 2021-01-01: 4 negativeWeek of 2021-02-01: 220 positiveWeek of 2021-02-01: 2 negativeWeek of 2021-03-01: 95 positiveWeek of 2021-04-01: 115 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 88 positiveWeek of 2021-05-01: 4 negativeWeek of 2021-06-01: 94 positiveWeek of 2021-07-01: 157 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 120 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 76 positiveWeek of 2021-09-01: 5 negativeWeek of 2021-10-01: 58 positiveWeek of 2021-10-01: 3 negativeWeek of 2021-11-01: 239 positiveWeek of 2021-11-01: 1 negativeWeek of 2021-12-01: 66 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 73 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 78 positiveWeek of 2022-03-01: 69 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 55 positiveWeek of 2022-04-01: 1 negativeWeek of 2022-05-01: 56 positiveWeek of 2022-06-01: 50 positiveWeek of 2022-07-01: 72 positiveWeek of 2022-07-01: 2 negativeWeek of 2022-08-01: 51 positiveWeek of 2022-09-01: 30 positiveWeek of 2022-10-01: 28 positiveWeek of 2022-11-01: 43 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 91 positiveWeek of 2023-01-01: 83 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-02-01: 50 positiveWeek of 2023-03-01: 58 positiveWeek of 2023-03-01: 2 negativeWeek of 2023-04-01: 62 positiveWeek of 2023-05-01: 68 positiveWeek of 2023-05-01: 2 negativeWeek of 2023-06-01: 47 positiveWeek of 2023-07-01: 117 positiveWeek of 2023-07-01: 2 negativeWeek of 2023-08-01: 118 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 47 positiveWeek of 2023-10-01: 71 positiveWeek of 2023-11-01: 71 positiveWeek of 2023-11-01: 2 negativeWeek of 2023-12-01: 94 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 99 positiveWeek of 2024-01-01: 3 negativeWeek of 2024-02-01: 153 positiveWeek of 2024-02-01: 3 negativeWeek of 2024-03-01: 116 positiveWeek of 2024-03-01: 5 negativeWeek of 2024-04-01: 87 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 91 positiveWeek of 2024-05-01: 4 negativeWeek of 2024-06-01: 91 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 152 positiveWeek of 2024-07-01: 5 negativeWeek of 2024-08-01: 137 positiveWeek of 2024-08-01: 6 negativeWeek of 2024-09-01: 88 positiveWeek of 2024-09-01: 5 negativeWeek of 2024-10-01: 88 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 96 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 93 positiveWeek of 2024-12-01: 6 negativeWeek of 2025-01-01: 96 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 97 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 100 positiveWeek of 2025-03-01: 8 negativeWeek of 2025-04-01: 50 positiveWeek of 2025-04-01: 2 negativeWeek of 2025-05-01: 44 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 78 positiveWeek of 2025-07-01: 85 positiveWeek of 2025-07-01: 4 negativeWeek of 2025-08-01: 63 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 37 positiveWeek of 2025-09-01: 3 negativeWeek of 2025-10-01: 54 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 31 positiveWeek of 2025-11-01: 1 negativeWeek of 2025-12-01: 53 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-01-01: 46 positiveWeek of 2026-01-01: 4 negativeWeek of 2026-02-01: 56 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 61 positiveWeek of 2026-03-01: 2 negativeWeek of 2026-04-01: 24 positiveWeek of 2026-04-01: 3 negativeWeek of 2026-05-01: 47 positiveWeek of 2026-05-01: 3 negativeWeek of 2026-06-01: 40 positiveWeek of 2026-07-01: 51 positiveWeek of 2026-07-01: 7 negativeWeek of 2026-08-01: 38 positiveWeek of 2026-08-01: 4 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

119162026-08-11 19:00 — 52 players2026-08-12 11:00 — 83 players2026-08-13 02:00 — 54 players2026-08-13 18:00 — 59 players2026-08-14 10:00 — 73 players2026-08-15 02:00 — 39 players2026-08-15 18:00 — 55 players2026-08-16 10:00 — 78 players2026-08-17 02:00 — 34 players2026-08-17 17:00 — 60 players2026-08-18 09:00 — 76 players2026-08-19 01:00 — 39 players2026-08-19 17:00 — 100 players2026-08-20 08:00 — 89 players2026-08-21 00:00 — 22 players2026-08-21 16:00 — 89 players2026-08-22 08:00 — 82 players2026-08-22 23:00 — 18 players2026-08-23 15:00 — 117 players2026-08-24 07:00 — 80 players2026-08-24 23:00 — 27 players2026-08-25 15:00 — 119 players2026-08-26 07:00 — 62 players2026-08-26 23:00 — 16 players2026-08-27 15:00 — 108 players2026-08-28 07:00 — 58 players2026-08-28 21:00 — 34 players2026-08-29 12:00 — 75 players2026-08-30 04:00 — 55 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$34.99$18.542020-12-182026-08-302020-12-18 — best price $31.492021-04-08 — best price $27.992021-09-13 — best price $27.992021-11-24 — best price $26.242022-01-27 — best price $26.242022-06-06 — best price $26.242022-07-08 — best price $24.492022-11-22 — best price $22.742022-12-12 — best price $24.492023-01-23 — best price $22.742023-03-16 — best price $21.692023-05-01 — best price $21.692023-07-04 — best price $34.992023-10-09 — best price $20.992023-11-29 — best price $34.992024-01-05 — best price $34.992024-02-12 — best price $34.992024-03-21 — best price $34.992024-07-11 — best price $34.992024-10-07 — best price $34.992024-12-04 — best price $34.992025-01-14 — best price $34.992025-03-10 — best price $34.992025-06-06 — best price $34.992025-09-01 — best price $34.992025-12-04 — best price $19.242026-02-13 — best price $19.242026-03-03 — best price $19.242026-03-26 — best price $34.992026-07-09 — best price $34.992026-08-30 — best price $34.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

21
achievements tracked
84.3%
earned "What exactly is the riddle supposed to be?"
40.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsPartial Controller SupportSteam CloudRemote Play on PhoneRemote Play on TabletFamily Sharing

3 supported languages: English, Japanese, Simplified Chinese

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1,45040%21

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

Player tags

FPSCuteAnimeCasualNudityFantasyRomanceRelaxingNarrationDating Sim

Census log

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

Players also track

House PartyVR Kanojo / VRカノジョ

Similarity via IGDB.

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