Crusader Kings IIIOfficial updates
Crusader Kings III · Update 1.20.1 · 2026-10-13
Adds historical saints and ruler-creation options, adjusts religious interactions and addresses player-reported issues from By God Alone. Install through the official game launcher after checking the full notes.

Installation
- Close the game and back up saves and your current mod configuration.
- Read the original announcement for changes and supported platforms.
- Update the game through Steam Library and Downloads.
- Test with mods disabled, then enable only mods supporting the updated game.
Removal · recovery
- Disable mods and use Steam’s installed-file verification if needed.
- Test pre-update saves using copies. Automatic rollback to an older game build is not guaranteed.