The Game Census
BOOKS cover art

BOOKS

UNIOCS · 2017-08-23

Steam

CasualIndie

Modes: Single player · Perspectives: Text

Releases: Aug 23, 2017 (PC (Microsoft Windows))

Test your knowledge of the animal world!

BOOKS is a 2017 Casual, Indie priced at $0.99, with a Mixed review sentiment (64% of 202 reviews) and an owner estimate of 20,000 .. 50,000.

0
playing now
64%
positive of 202 reviews
Mixed
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
50/100
IGDB user rating (2 ratings)
Unknown
Steam Deck (Valve)
SteamOS: 0
$0.99
steam price (US)

0 players in-game as of 2026-10-14 07:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 20 reviews in the last 8 weeks (~3/week).
  • · Review velocity up 43% vs the prior 8 weeks.
  • · Top 21% of 28,977 Casual games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 5.0k–12k copies

Review-multiple estimate from 202 total reviews — how this is computed.

All-time low: $0.49 at Steam (2017-10-26)via IsThereAnyDeal

12-month high $0.99 · on sale 8 of 16 observed days (census price snapshots)

Review momentum

PositiveNegative
7720172026Week of 2017-08-01: 3 positiveWeek of 2017-08-01: 1 negativeWeek of 2017-09-01: 7 positiveWeek of 2017-09-01: 2 negativeWeek of 2017-10-01: 6 positiveWeek of 2017-10-01: 3 negativeWeek of 2017-11-01: 7 positiveWeek of 2017-11-01: 2 negativeWeek of 2017-12-01: 4 positiveWeek of 2017-12-01: 5 negativeWeek of 2018-01-01: 3 positiveWeek of 2018-01-01: 3 negativeWeek of 2018-02-01: 2 positiveWeek of 2018-02-01: 1 negativeWeek of 2018-03-01: 2 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-05-01: 2 positiveWeek of 2018-05-01: 1 negativeWeek of 2018-06-01: 1 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 1 negativeWeek of 2018-08-01: 1 positiveWeek of 2018-08-01: 1 negativeWeek of 2018-10-01: 2 positiveWeek of 2018-10-01: 2 negativeWeek of 2018-11-01: 1 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 1 positiveWeek of 2019-02-01: 1 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-05-01: 2 positiveWeek of 2019-05-01: 1 negativeWeek of 2019-06-01: 2 positiveWeek of 2019-07-01: 4 positiveWeek of 2019-10-01: 1 positiveWeek of 2019-12-01: 1 positiveWeek of 2019-12-01: 2 negativeWeek of 2020-01-01: 1 positiveWeek of 2020-03-01: 2 positiveWeek of 2020-04-01: 3 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 4 positiveWeek of 2020-08-01: 4 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 1 positiveWeek of 2020-12-01: 1 negativeWeek of 2021-01-01: 1 positiveWeek of 2021-02-01: 1 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 3 positiveWeek of 2021-03-01: 3 negativeWeek of 2021-05-01: 1 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-06-01: 1 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-07-01: 2 positiveWeek of 2021-09-01: 2 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 2 positiveWeek of 2021-12-01: 2 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 4 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 2 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 1 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 1 negativeWeek of 2022-07-01: 1 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 2 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 1 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 2 negativeWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 2 positiveWeek of 2023-04-01: 2 negativeWeek of 2023-05-01: 2 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 1 positiveWeek of 2023-06-01: 2 negativeWeek of 2023-07-01: 1 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 1 positiveWeek of 2023-12-01: 1 positiveWeek of 2024-01-01: 3 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 2 positiveWeek of 2024-02-01: 3 negativeWeek of 2024-03-01: 3 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 1 positiveWeek of 2024-05-01: 2 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-07-01: 2 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 1 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 3 positiveWeek of 2024-11-01: 2 positiveWeek of 2024-12-01: 3 positiveWeek of 2025-01-01: 2 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 1 negativeWeek of 2025-05-01: 1 positiveWeek of 2025-06-01: 1 positiveWeek of 2025-07-01: 1 positiveWeek of 2025-09-01: 2 positiveWeek of 2025-10-01: 2 negativeWeek of 2025-11-01: 2 positiveWeek of 2025-12-01: 2 positiveWeek of 2026-01-01: 2 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-03-01: 1 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 2 positiveWeek of 2026-04-01: 2 negativeWeek of 2026-05-01: 1 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 5 positiveWeek of 2026-08-01: 2 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 08:00 — 0 players2026-09-16 16:00 — 0 players2026-09-18 00:00 — 0 players2026-09-19 07:00 — 0 players2026-09-20 15:00 — 0 players2026-09-21 22:00 — 0 players2026-09-23 06:00 — 0 players2026-09-24 13:00 — 0 players2026-09-25 21:00 — 0 players2026-09-27 04:00 — 0 players2026-09-28 12:00 — 0 players2026-09-29 19:00 — 0 players2026-10-01 03:00 — 0 players2026-10-02 11:00 — 0 players2026-10-03 18:00 — 0 players2026-10-05 02:00 — 0 players2026-10-06 10:00 — 0 players2026-10-07 17:00 — 0 players2026-10-09 01:00 — 0 players2026-10-10 08:00 — 1 players2026-10-11 16:00 — 0 players2026-10-13 00:00 — 0 players2026-10-14 07:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$0.99$0.492017-08-242026-07-202017-08-24 — best price $0.892017-11-22 — best price $0.492018-02-15 — best price $0.492018-05-01 — best price $0.592018-07-25 — best price $0.492018-10-30 — best price $0.492018-12-20 — best price $0.492019-04-16 — best price $0.492019-09-27 — best price $0.492019-11-26 — best price $0.492020-01-23 — best price $0.692020-05-05 — best price $0.642020-07-20 — best price $0.492020-11-25 — best price $0.692021-02-11 — best price $0.492021-04-26 — best price $0.642021-09-06 — best price $0.592021-11-24 — best price $0.492022-01-27 — best price $0.492022-06-23 — best price $0.542022-11-22 — best price $0.592023-01-23 — best price $0.592023-06-30 — best price $0.592024-01-04 — best price $0.992024-03-21 — best price $0.992024-05-20 — best price $0.992024-07-29 — best price $0.992024-10-21 — best price $0.992024-12-16 — best price $0.992025-01-27 — best price $0.992025-03-20 — best price $0.992025-06-02 — best price $0.992025-07-28 — best price $0.992025-10-06 — best price $0.992026-01-05 — best price $0.992026-03-26 — best price $0.992026-06-08 — best price $0.992026-07-20 — best price $0.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

60+
achievements tracked
95.5%
earned "A"
89.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam CloudFamily Sharing

2 supported languages: English, Russian

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)85964%4,536

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

Player tags

CuteIndieShortCasualPuzzleRelaxingEducationSingleplayer

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 Tale

Similarity via IGDB.