The Devil's Calculator

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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

Developer: Christopher Cinq-Mars Jarvis
Publisher: Cinq-Mars Media
Released: 18 Feb 2019 (2019)
Price: $2.99
Platforms

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 25 Oct, 07:37 UTC

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

News checked every 30 days. Observed since 25 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

Steam Autumn Sale
29 Sept 2025 · Community Announcements
Steam Summer Sale
26 Jun 2025 · Community Announcements
Steam Winter Sale
19 Dec 2024 · Community Announcements
The Devil's Calculator discounted in the Steam Autumn Sale!
27 Nov 2024 · Community Announcements
Steam Summer Sale
27 Jun 2024 · Community Announcements
Steam Spring Sale
14 Mar 2024 · Community Announcements
Steam Winter Sale
21 Dec 2023 · Community Announcements
The Devil's Calculator and other Cinq-Mars Media games discounted
21 Nov 2023 · Community Announcements
Steam Summer Sale
29 Jun 2023 · Community Announcements
Seamless Discord and Wolfram Integration, UI + Speed Improvements and Podcasts!
19 Jun 2023 · Community Announcements

From the game’s Steam news feed, last checked 25 Oct, 07:37 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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