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Malleus Cocconum: The HeiressNewsAchievement Fix
Game update

Achievement Fix

Malleus Cocconum: The Heiress · published 9 Oct 2025, 06:55 UTC · build 20315383

All newsPlayers around this dateRead on Steam

We've just fixed a new issue that was preventing some achievements from unlocking.

Now, all achievements for the Antonio route should be working properly!

If you previously encountered issues, try reloading a relevant save or replaying the related branch — the achievements should unlock as expected.

Thank you again for your patience and feedback ❤️

Domus Aurea

More from Malleus Cocconum: The Heiress

Other announcements

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Community3 Jul 2026The main story has now been fully completedDear players, The main story of The Heiress has now been fully completed. Thanks to the recent feedback from players, we have also fixed a number of issues affecting the game experience, including certain CGs not unlocking properly, some endings being too difficult to access, readability issues in specific text sections, and problems with unlocking all Steam achievements. Next, we will continue…Major update30 Jun 2026A look at our plans for the English releaseDear Players, Thank you for your patience and continued support. With the completion of the Mika Route, the main story of the game has now reached its conclusion. In the second half of this year, we will officially release the English version of the game and continue improving its localization. Our plans for the second half of the year include: · Releasing the English version and continuing to…Major update8 Jun 2026Major Update in ProgressDear players, A major content update for Malleus Cocconum: The Heiress has now begun. At the current stage, you can continue to experience Antonio’s route and the existing main story content. This update also includes an improved Glossary system, which is now available in the game. Please note that the Glossary system requires starting a new game in order to collect entries properly. The Englis…