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Steam News23 April 20262mo ago

PATCH 1.16.3.0 – LIST OF CHANGES

Patch 1.16.3.0 for Atomic Heart is rolled out and now available on Steam. See the list of changes for this update below: Blood on Crystal DLC#4 changes: Fixed missing music in the area with the polymorph pianist Fixed a

Full notes

Full Atomic Heart update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

4 fixes1 addition3 changes0 removals
  • Gameplay
  • Fixes
  • Performance
addedPatch 1.16.3.0 for Atomic Heart is rolled out and now available on Steam . See the list of changes for this update below:
fixedFixed missing music in the area with the polymorph pianist
fixedFixed an issue where brightness was too high in some areas in Photo Mode
fixedFixed some quest markers
fixedFixed various bugs when loading saves
changedImproved the behavior of the RACCOON miniboss

Atomic Heart changes

addedPatch 1.16.3.0 for Atomic Heart is rolled out and now available on Steam . See the list of changes for this update below:
fixedFixed missing music in the area with the polymorph pianist
fixedFixed an issue where brightness was too high in some areas in Photo Mode
fixedFixed some quest markers
fixedFixed various bugs when loading saves

Patch 1.16.3.0 for Atomic Heart is rolled out and now available on Steam. See the list of changes for this update below:

Blood on Crystal DLC#4 changes:

  • Fixed missing music in the area with the polymorph pianist

  • Fixed an issue where brightness was too high in some areas in Photo Mode

  • Fixed some quest markers

  • Fixed various bugs when loading saves

  • Improved the behavior of the RACCOON miniboss

  • Crash fixes

  • Other minor fixes

RECOMMENDATIONS FOR SOLVING SOME ISSUES

  • We cannot guarantee or support the game if the Atomic Heart game client has been modified by any third-party software. If this happens, you should uninstall this software and reinstall the game.

  • If you encounter issues on Steam, first check the integrity of the game files as described here. This may solve the issues:

https://help.steampowered.com/en/faqs/view/0C48-FCBD-DA71-93EB

  • Also, if you encounter any issues while playing, you can direct them here:

https://forms.clickup.com/2651050/f/2gwxa-19963/9BKY6NR4J0FZBLMS02

Thank you for sharing your feedback with us. We monitor it very closely and will continue sharing news in a timely manner!

Source

Steam News / 23 April 2026

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