Dlc · Released

Crusader Kings III: By God Alone

Crusader Kings III: By God Alone adds new gameplay options, with a focus on new religious themed content. Watch your characters wrestle with their faith and embrace or oppress heresies as your faith evolves.

Release date
September 30, 2026
Platforms
Windows, macOS, Linux
Developer
Paradox Development Studio
Publisher
Paradox Interactive
Crusader Kings III: By God Alone artwork
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About Crusader Kings III: By God Alone

Navigate through a medieval era with a rich religious life in By God Alone, a Core Expansion for Crusader Kings III. Wrestle with sin as your rulers try to live up to the tenets of their faith as you tangle with church authorities who have power on earth, as well as heaven. Instigate or settle religious debates, negotiate the limits of crown and Papal authority, and ponder the afterlife. Crusader Kings III: By God Alone includes:Playable Theocracies: Take control of landed realms headed by an archbishop or even the Pope himself.

As the Papacy, new resources of power and wealth will be at your disposal. The Christian “Situation”: A new persistent Situation for Christian realms, allowing actions and decisions connected to the development and progress of the Faith. You can participate in Ecumenical Councils to decide on religious tenets and beliefs. Heresies: Religious rites that diverge too much from the standard Faith steal power and wealth from the Church and may be declared heretical, forcing you to either conform or rebel.

The Great Schism: In the 867 game start, the Christian church will eventually reach a crossroads for the faith. This can result in the Great Schism, separating Western Catholicism from Eastern Orthodoxy. Monastic Holy Orders: Centers of both research and theological power, Monastic Holy Orders offer potent bonuses to those who host their headquarters.…

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Crusader Kings III: By God Alone artwork
Crusader Kings III: By God AloneSteam · Dlc · Available
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Crusader Kings III: By God Alone reviews & player comments

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★ 4.5/10Steam · 692 ratings
SteamLast checked November 2, 2026

Most helpful8

Not recommended
After 1000+ hours in CK3, I finally found the DLC that made me question whether anyone at Paradox actually played the systems they designed. **By…
Not recommended
It feels like this was made for youtubers to make "Jarl Hastein Pope invents cannibal Catholicism" videos rather than anyone who wanted to play a…
Not recommended
The fact that nobody on the development team deems it necessary or productive to check for bugs is so insulting to players. How does being…
Not recommended
I've spent 20-30 hours with By God Alone, and while there's a lot about it that I really enjoy, there's also a lot that feels…
Not recommended
The naysayers about this DLC are right, unfortunately. A lot of complexity that results in non-sensical religious developments, and yet another disconnected system. I've been…
Not recommended
I was extremely excited for By God Alone. As a historian, a Catholic, and someone who has played Paradox games since 2012, the expansion sounded…
Not recommended
UPDATE (19.10.26): Paradox has adressed some smaller issues with this DLC in a recent patch (none of my issues though) while also stating clearly that…
Not recommended
They made the game both more complicated and somehow more easy at the same time. Complicated but easy = tedium. Playing CK3 just feels tedious…

Most recent8

Not recommended
This DLC is a broken piece of shit. Every run I have attempted since I installed this has ended in a game breaking bug. From…
Not recommended
After a few hours of gameplay, I realized I payed for a DLC that has 0 effect on my gameplay unless I choose a Christian…
Not recommended
Confusing, illogical, annoying and unfunny. I created the kingdom of Albania, crated my own rite but becouse my lands are split between 2 clerical regions…
Not recommended
The fundamental reason why I gave this DLC a bad review is that the stupid programmers at Paradox didn't bother to understand what the Eastern…
Not recommended
The year is 900, and the Roman Rite now champions cannibalism, witch craft, and polyamory. It was supposed to feel like religions were gradually shifting…
Not recommended
Bitterly disappointed. Ahistorical, illogical and frankly ludicrous design. I was *so hyped* for this, and now I play with it disabled. How the devs thought…
Not recommended
Kilise, papalık ve dinî otorite Orta Çağ siyasetinin merkezindeydi. Böyle bir konunun oyuna eklenmesi büyük bir potansiyel taşıyor. Ancak ortaya çıkan deneyim, bu potansiyeli tam…
Not recommended
Lost an ironman save because of this buggy mess they call a DLC.

Short excerpts linked to their source. The score above uses aggregate storefront ratings—not these few comments.