Playing now
107−24 vs. yesterday
All-time peak
1,432Mar 2026
| Published | Title | Build |
|---|---|---|
| UPDATE: Small bug fixes This update fixes a few small bugs: · Fixed a bug in today's earlier update where the folder picker dialog on Windows was stuck behind the game window (I have three monitors and did not notice, sorry not sorry). · Fixed a bug where the solitaire music would continue playing when exiting Sigmar's Garden II in the journal. · Fixed a bug in the custom puzzle editor UI where the blackout overlay wa… | 24441428 | |
| UPDATE: In-game option for setting the GIF output directory Today's update adds an in-game option for setting the GIF output directory. Clicking the "SET" button should open an OS-level folder picker dialog, which seems like exactly the kind of thing that won't work for many people, especially if you're on a more esoteric operating system. If you run into any trouble, email me at [email protected] and we can investigate! | 24441428 | |
| UPDATE: Russian journal translation Today's update adds a Russian translation for the Journal of Alchemical Engineering, contributed by TrottingHeart from the unofficial Zachtronics Discord. | — | |
| UPDATE: Korean DLC translation Today's update actually contains a Korean translation of the De Re Metallica DLC, unlike last week's update that only translated the puzzle names and the Journal of Alchemical Engineering. Thanks again to Haxton from the unofficial Zachtronics Discord for this contribution. | — | |
| UPDATE: Korean DLC and journal translation Today's update adds a Korean translation for the De Re Metallica DLC campaign and the Journal of Alchemical Engineering, contributed by Haxton from the unofficial Zachtronics Discord . It also contains the following fixes: · Changed the GIF frame to localize the names of metrics, since it already localized the names of puzzles. · Fixed a bug where the guilder sign (G) was replaced with a dollar… | — | |
| UPDATE: Minor improvements Today's update includes the following changes: · Puzzles in the journal now have a variety of music instead of a single song. · Fixed a crash when loading a solution that referenced an input or output that was deleted from a custom puzzle. · Fixed an issue where the new achievement would only show a progress update when you solved a puzzle in a journal issue that you had previously not solved a… | — | |
| UPDATE: Various quality-of-life fixes Today's update adds a few small quality-of-life fixes: · You can now click on the journal issue name to open a menu that lets you quickly select a different journal issue. · The current journal issue is now persisted in your save file, so that when you relaunch the game it will be open to the same page as last time. · You can now press F10 to reload the list of custom puzzles. · Pressing F10 to… | — | |
| Volume CVIII, Issue XI: Small-Scale Construction Crafts Today's update adds a new issue to the Journal of Alchemical Engineering. Volume CVIII, Issue XI: Small-Scale Construction Crafts While research to support the large-scale building projects initiated by the Great Houses has shown a tendency to dominate today’s alchemical science, a dedicated cadre of independent practitioners has managed to initiate a revival of interest in older, half-forgotte… | — | |
| UPDATE: Portuguese and Russian fan translations for the DLC Today's update adds Portuguese and Russian fan translations for the De Re Metallica DLC. Many thanks to Yuri Nikolai and TrottingHeart respectively! | — | |
| UPDATE: Upgrading to a newer version of the Steam API Today's update upgrades the game to a newer version of the Steam API, which should fix a crash on Mac when attempting to browse to Steam Workshop from in-game. | — | |
| Volume CVIII, Issue X: Inside the Soria Glassworks Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue X: Inside the Soria Glassworks Though difficult to imagine today, House Soria once teetered on the brink of dissolution. The story of its recovery and rise to new heights is often cited as an example of fortune’s unpredi… | — | |
| UPDATE: Additional input for Shimmering Chain Today's update adds an additional salt input to the Shimmering Chain journal puzzle. | — | |
| Volume CVIII, Issue IX: Frontiers of the Infinite Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue IX: Frontiers of the Infinite For centuries alchemists had a reputation for working in solitude, closely guarding their secrets until they could emerge triumphantly with a singular astonishing breakthrough. But this anci… | — | |
| Volume CVIII, Issue VIII: Apothecary Roots Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue VIII: Apothecary Roots Alchemists today are quick to dismiss the idea that they are simple brewers of potions. As lamentable as it is that this outdated notion of the alchemist’s work persists in the modern era, we canno… | — | |
| Volume CVIII, Issue VII: Foodways Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue VII: Foodways Despite the promise of alchemical development to drastically change life, certain mundanities persist. One such example is food consumption: the fact that sustenance must still be ingested to animate worker… | — | |
| Volume CVIII, Issue VI: From Obscurity to Renown Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue VI: From Obscurity to Renown Even though alchemy itself is a science, alchemical careers are anything but. Sometimes brilliant alchemical engineers toil for many years in little-known workshops, making important but unsu… | — | |
| Volume CVIII, Issue V: Decorative Arts Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue V: Decorative Arts Readers will be familiar with the great many artists and designers who labor over the interiors of Great Houses, ensuring nothing falls behind their competitors in opulence and luxury. What may be less… | — | |
| Volume CVIII, Issue IV: Ballistic Alchemy Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue IV: Ballistic Alchemy Though the field of alchemical ballistics finds lonely champions every few decades, the overwhelming consensus remains that devices for impelling small projectiles at great speed are all but useless… | — | |
| Volume CVIII, Issue III: Alchemy for the Home Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue III: Alchemy for the Home Progress leaves no lives untouched, even those of commoners. Over the last few hundred years, large communal dwellings have given way to small, separated households that afford a measure of comf… | — | |
| Volume CVIII, Issue II: A New Era of Mining and Metallurgy Today's update adds a new issue to the Journal of Alchemical Engineering. Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue II: A New Era of Mining and Metallurgy The introduction of Reductive Metallurgy fundamentally changed the way metallic value was measured. This had many subsequent effects in the field of mining, which was previously reg… | — | |
| Volume CVIII, Issue I: Advancements in Nautical Alchemy Today's update adds a new issue to the Journal of Alchemical Engineering, hopefully one of many to follow in the coming months! Do you have a puzzle you'd like to see included in a future issue? Submit it here: Volume CVIII, Issue I: Advancements in Nautical Alchemy The surge of interest in seafaring has anything but slowed in recent times. Passion for exploration has given way to excitement ov… | — | |
| UPDATE: Polish translation, ExternalLeaderboardURLs fix Opus Magnum jest teraz dostępne po polsku! Opus Magnum is now available in Polish! Thanks to Michał "Doczek" Dokrzewski for providing a Polish fan-translation, which also includes the DLC and is now available in-game! This update also includes a fix for ExternalLeaderboardURLs not properly uploading GIFs, whatever that means. It's kind of an IYKYK situation. | 22574169 | |
| UPDATE: Fix for Intel integrated GPUs Today's update fixes the crash with Intel integrated GPUs by upgrading the game from a 32-bit to a 64-bit binary. This is good news for anyone with an Intel integrated GPU, as you should no longer need to force OpenGL usage on Windows, but bad news for anyone still running a 32-bit version of Windows. (Although, if this does apply to you, you should still be able to switch to the "previous" bra… | — | |
| UPDATE: Small fixes Today's update increases the number of outputs required for the "Reclaimed Gold" journal puzzle and fixes a bug where main campaign documents would display incorrectly when the language was set to Korean. | — | |
| De Re Metallica launch update!major Today's update adds support for the brand new De Re Metallica DLC, available here: It also adds a bunch of non-DLC features, like: · a new halt instruction (for stopping arms) · a semi-secret fast-forward button (hold Alt while starting playback) · three new issues of the Journal of Alchemical Engineering · fixes for a bunch of bugs that should have been fixed years ago Opus Magnum is back! | 22374110 |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 29 Jul 2026 | Wed | 20:45 | No patch notes · unannounced build | 24459680 | testing | 3 | — |
| 28 Jul 2026 | Tue | 23:04 | UPDATE: Small bug fixes | 24441428 | public | 3 | — |
| 28 Jul 2026 | Tue | 23:04 | UPDATE: In-game option for setting the GIF output directory | 24441428 | public | 3 | — |
| 28 Jul 2026 | Tue | 23:00 | No patch notes · unannounced build | 24441386 | community-edition | 3 | — |
| 28 Mar 2026 | Sat | 22:48 | No patch notes · unannounced build | 22551618 | old-mono | 3 | — |
| 17 Jan 2022 | Mon | 20:57 | No patch notes · unannounced build | 7267531 | previous | 3 | — |