The Game Census
King Boo cover art

King Boo

NDOgames · 2021-10-18

Steam

AdventureCasual

Modes: Single player

Releases: Oct 18, 2021 (Linux), Oct 18, 2021 (PC (Microsoft Windows))

Play as King Boo, who unfortunately has lost their royal adornments and must find them back before being allowed back in the castle! A simple, colorful adventure game for young players.

King Boo is an Adventure and Casual game released in 2021, priced at $2.99, with an owner estimate of 20,000 .. 50,000 and a Very Positive sentiment (98% of 234 reviews).— census verdict as of 2026-10-14

2
playing now
98%
positive of 234 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
$2.99
steam price (US)

2 players in-game as of 2026-10-14 23:00 UTC (census sample)

Health check

Quietly active
  • · 2 players in-game at the last census sample.
  • · 42 reviews in the last 8 weeks (~5/week).
  • · Review velocity up 24% vs the prior 8 weeks.
  • · Top 27% of 28,905 Adventure games in the census by review count.
Estimated sales: 4.7k–11k copies

Review-multiple estimate from 234 total reviews — how this is computed.

All-time low: $0.59 at Steam (2025-03-13)via IsThereAnyDeal

12-month high $2.99 · on sale 3 of 6 observed days (census price snapshots)

Review momentum

PositiveNegative
121220212026Week of 2021-10-01: 3 positiveWeek of 2021-12-01: 1 positiveWeek of 2022-01-01: 3 positiveWeek of 2022-02-01: 5 positiveWeek of 2022-03-01: 4 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-06-01: 2 positiveWeek of 2022-07-01: 5 positiveWeek of 2022-08-01: 2 positiveWeek of 2022-09-01: 5 positiveWeek of 2022-10-01: 3 positiveWeek of 2022-11-01: 4 positiveWeek of 2022-12-01: 5 positiveWeek of 2023-01-01: 12 positiveWeek of 2023-02-01: 4 positiveWeek of 2023-03-01: 1 positiveWeek of 2023-04-01: 2 positiveWeek of 2023-05-01: 2 positiveWeek of 2023-06-01: 2 positiveWeek of 2023-07-01: 1 positiveWeek of 2023-09-01: 2 positiveWeek of 2023-10-01: 3 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 5 positiveWeek of 2023-12-01: 8 positiveWeek of 2024-01-01: 2 positiveWeek of 2024-02-01: 6 positiveWeek of 2024-03-01: 7 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 2 positiveWeek of 2024-05-01: 2 positiveWeek of 2024-06-01: 9 positiveWeek of 2024-07-01: 3 positiveWeek of 2024-08-01: 3 positiveWeek of 2024-09-01: 1 positiveWeek of 2024-10-01: 7 positiveWeek of 2024-11-01: 4 positiveWeek of 2024-12-01: 8 positiveWeek of 2025-01-01: 8 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-03-01: 7 positiveWeek of 2025-04-01: 1 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 3 positiveWeek of 2025-06-01: 4 positiveWeek of 2025-07-01: 3 positiveWeek of 2025-08-01: 3 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 3 positiveWeek of 2025-10-01: 4 positiveWeek of 2025-11-01: 6 positiveWeek of 2025-12-01: 7 positiveWeek of 2026-01-01: 10 positiveWeek of 2026-02-01: 6 positiveWeek of 2026-03-01: 7 positiveWeek of 2026-04-01: 3 positiveWeek of 2026-05-01: 3 positiveWeek of 2026-06-01: 4 positiveWeek of 2026-07-01: 3 positiveWeek of 2026-08-01: 6 positiveWeek of 2026-09-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$2.99$0.592021-10-182026-07-092021-10-18 — best price $2.992021-12-01 — best price $2.992022-01-05 — best price $2.992022-02-03 — best price $2.992022-02-28 — best price $2.992022-05-16 — best price $2.992022-07-07 — best price $2.992022-08-22 — best price $2.992022-09-26 — best price $2.992022-10-31 — best price $2.992022-11-29 — best price $2.992023-01-05 — best price $2.992023-03-23 — best price $2.992023-04-24 — best price $2.992023-07-13 — best price $2.992023-11-28 — best price $2.992024-01-04 — best price $2.992024-02-12 — best price $2.992024-03-21 — best price $2.992024-07-29 — best price $2.992024-12-04 — best price $2.992025-01-02 — best price $2.992025-03-20 — best price $2.992025-07-10 — best price $2.992025-10-06 — best price $2.992026-01-05 — best price $2.992026-03-26 — best price $2.992026-07-09 — best price $2.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

12
achievements tracked
93%
earned "First steps"
64.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsLinuxFull controller supportSingle-playerSteam AchievementsFull controller supportFamily Sharing

2 supported languages: English, Dutch

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)20841%12

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

Player tags

3DCuteCasualFantasyCartoonyColorfulAdventureMinimalistPlatformerAtmospheric

Census log

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

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Similarity via IGDB.