Opus Magnum
🛠️ Opus Magnum update history
Official announcements the developer posts on Steam—patches, new content, and events—sorted by date. Click a title to read the full post.
June 2026
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6/17Wed📢 AnnouncementVolume CVIII, Issue XII: Highlights from the Alchemical Exposition
Today's update adds the final issue of the Journal of Alchemical Engineering, at least for now. It also adds a new achievement, The Way of the Philosopher, for players who solve at least one puzzle in…
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6/10Wed📢 AnnouncementVolume 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 …
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6/3Wed📢 AnnouncementVolume 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: https://tally.so/r/KYDzWX Volume CVIII, Iss…
May 2026
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5/27Wed📢 AnnouncementVolume 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: https://tally.so/r/KYDzWX Volume CVIII, Iss…
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5/20Wed📢 AnnouncementVolume 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: https://tally.so/r/KYDzWX Volume CVIII, Iss…
Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.