The Game Census
The Devil's Calculator cover art

The Devil's Calculator

Christopher Cinq-Mars Jarvis · Cinq-Mars Media · 2019-02-18

Steam

CasualIndieStrategy

Modes: Single player

Releases: Jan 11, 2019 (iOS), Jan 11, 2019 (Android), Jan 28, 2019 (PC (Microsoft Windows)), Jan 28, 2019 (Mac), Jan 28, 2019 (Linux)

The Devil's Calculator is a new, non-profit math game by the creator of Synonymy that proves a sophisticated, challenging and educational indie puzzler for numberphiles and lovers of logic and brain teasers

96%
positive of 123 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
70/100
IGDB user rating (1 ratings)
pending
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
$2.99
steam price (US)

Health check

Quiet
  • · 7 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 30% vs the prior 8 weeks.
  • · Top 29% of 27,145 Casual games in the census by review count.
Estimated sales: 3.1k–7.4k copies

Review-multiple estimate from 123 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$2.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $0.50 at Steam (2020-10-29)via IsThereAnyDeal

12-month high $2.99 · on sale 4 of 8 observed days · $2.49 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
121220192026Week of 2019-02-01: 2 positiveWeek of 2019-03-01: 5 positiveWeek of 2019-04-01: 4 positiveWeek of 2019-05-01: 1 positiveWeek of 2019-06-01: 1 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-08-01: 3 positiveWeek of 2019-09-01: 2 positiveWeek of 2019-10-01: 1 positiveWeek of 2019-11-01: 7 positiveWeek of 2019-12-01: 1 positiveWeek of 2020-02-01: 2 positiveWeek of 2020-04-01: 1 positiveWeek of 2020-05-01: 3 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 1 positiveWeek of 2020-07-01: 2 positiveWeek of 2020-08-01: 1 positiveWeek of 2020-09-01: 1 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 1 positiveWeek of 2021-01-01: 1 positiveWeek of 2021-02-01: 1 positiveWeek of 2021-03-01: 1 positiveWeek of 2021-05-01: 1 positiveWeek of 2021-08-01: 2 positiveWeek of 2021-11-01: 2 positiveWeek of 2021-12-01: 1 positiveWeek of 2022-01-01: 1 positiveWeek of 2022-03-01: 1 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-10-01: 8 positiveWeek of 2022-11-01: 12 positiveWeek of 2022-12-01: 1 positiveWeek of 2023-01-01: 2 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-06-01: 1 positiveWeek of 2023-07-01: 4 positiveWeek of 2023-10-01: 1 positiveWeek of 2023-11-01: 1 positiveWeek of 2024-04-01: 1 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 1 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 1 positiveWeek of 2025-06-01: 1 positiveWeek of 2025-08-01: 1 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-07-01: 1 positiveWeek of 2026-08-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$2.99$0.502019-02-192026-10-082019-02-19 — best price $2.392019-10-28 — best price $1.492019-11-26 — best price $1.492019-12-19 — best price $2.092020-10-29 — best price $0.502020-11-25 — best price $2.392020-12-22 — best price $2.392021-06-24 — best price $1.792021-10-28 — best price $1.492021-11-06 — best price $2.392021-11-24 — best price $2.392021-12-22 — best price $2.392022-01-27 — best price $2.392022-06-23 — best price $2.092022-11-22 — best price $2.092022-12-22 — best price $2.092023-03-16 — best price $2.002023-04-24 — best price $1.492023-06-29 — best price $2.092023-11-21 — best price $2.092023-12-21 — best price $1.792024-03-14 — best price $2.092024-06-27 — best price $1.792024-11-27 — best price $1.792024-12-20 — best price $1.192025-03-13 — best price $1.192025-06-26 — best price $1.792025-09-29 — best price $2.092025-12-18 — best price $2.092026-03-19 — best price $1.792026-06-25 — best price $1.792026-10-01 — best price $1.492026-10-08 — best price $2.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsmacOSLinuxSingle-playerFamily Sharing

Player tags

IndieLogicCasualPuzzleHackingCartoonyStrategyTutorialEducationHand-drawn

Census log

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

Players also track

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Similarity via IGDB.

Official site ↗Discord ↗