The Game Census
Room 40 cover art

Room 40

Silhouette Valley Games · 2019-07-31

Steam

Free To PlayIndie

Modes: Single player

Releases: Jul 31, 2019 (PC (Microsoft Windows))

Room 40 is a puzzle game about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history. Starting with basic methods used in ancient Greece and the advancement of these methods all the way through to complex ciphers used in WWII.

Room 40 is a Free To Play and Indie game released in 2019, free-to-play, with a Mostly Positive review sentiment (75% of 106 reviews) and an estimated owner base of 20,000 .. 50,000.

0
playing now
75%
positive of 106 reviews
Mostly Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
Free
steam price (US)

0 players in-game as of 2026-10-15 00:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 10 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 0% vs the prior 8 weeks.
  • · Top 36% of 9,654 Free To Play games in the census by review count.

Health tier since 2026-09-02

Review momentum

PositiveNegative
9920192026Week of 2019-08-01: 8 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 7 positiveWeek of 2019-09-01: 4 negativeWeek of 2019-10-01: 7 positiveWeek of 2019-10-01: 1 negativeWeek of 2019-11-01: 9 positiveWeek of 2019-12-01: 6 positiveWeek of 2020-01-01: 1 positiveWeek of 2020-02-01: 3 positiveWeek of 2020-03-01: 2 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 5 positiveWeek of 2020-05-01: 3 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 4 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 1 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 1 positiveWeek of 2020-11-01: 2 positiveWeek of 2020-11-01: 2 negativeWeek of 2020-12-01: 4 positiveWeek of 2021-01-01: 1 positiveWeek of 2021-01-01: 1 negativeWeek of 2021-02-01: 3 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-04-01: 2 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-06-01: 1 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 1 negativeWeek of 2021-10-01: 2 positiveWeek of 2021-11-01: 1 positiveWeek of 2021-12-01: 1 positiveWeek of 2022-02-01: 1 positiveWeek of 2022-03-01: 1 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-06-01: 1 positiveWeek of 2022-07-01: 1 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-10-01: 1 negativeWeek of 2022-12-01: 2 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-02-01: 1 positiveWeek of 2023-03-01: 1 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-10-01: 1 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 1 positiveWeek of 2024-01-01: 1 positiveWeek of 2024-03-01: 1 positiveWeek of 2024-04-01: 1 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 2 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-10-01: 1 negativeWeek of 2025-03-01: 1 positiveWeek of 2025-07-01: 1 positiveWeek of 2025-08-01: 1 positiveWeek of 2025-11-01: 1 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-07-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

202026-09-16 01:00 — 0 players2026-09-17 09:00 — 0 players2026-09-18 16:00 — 0 players2026-09-20 00:00 — 0 players2026-09-21 07:00 — 0 players2026-09-22 15:00 — 0 players2026-09-23 23:00 — 0 players2026-09-25 06:00 — 0 players2026-09-26 14:00 — 0 players2026-09-27 21:00 — 0 players2026-09-29 05:00 — 0 players2026-09-30 12:00 — 0 players2026-10-01 20:00 — 0 players2026-10-03 03:00 — 0 players2026-10-04 11:00 — 1 players2026-10-05 19:00 — 0 players2026-10-07 02:00 — 2 players2026-10-08 10:00 — 0 players2026-10-09 17:00 — 1 players2026-10-11 01:00 — 0 players2026-10-12 09:00 — 0 players2026-10-13 16:00 — 0 players2026-10-15 00:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Completion

21
achievements tracked
73.8%
earned "Secret message #1"
14.8%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsFamily Sharing

1 supported languages: English

Player tags

2DCuteIndieCasualPuzzleFree to PlaySingleplayerFemale Protagonist

Census log

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

Players also track

Supreme Ruler UltimateBronze Age - HD EditionTech Support: Error UnknownPax NovaRogue HeistApsulov: End of GodsTidal Tribe

Similarity via IGDB.

Official site ↗