Paradox is working on CK3 performance to support upcoming Asia expansion

It’s an exciting year to be a Crusader Kings 3 fan thanks to the upcoming All Under Heaven DLC and its monumental expansion of the game’s scale. But that comes with concerns for players as well: While adding China, Korea, Japan, and Southeast Asia massively broadens the variety of stories and campaigns the game can generate, rulers with weaker PCs dread the enlarged map more than the arrival of the Black Death or Genghis Khan.

In its latest dev diary about the expansion, Paradox emphasized that it’s aware of these worries and is already working to address them: “Improving performance is something that we're also working on very seriously while developing All Under Heaven, to ensure that your enjoyment of the game will not suffer or be reduced from this broadening of its horizons, and that you can freely and thoroughly enjoy all that the expansion has to offer.”

“Please be assured that we're working hard at it just as much as the rest of the expansion, and we will go into more detail in the future in a developer diary dedicated exclusively to this subject,” the studio wrote further.

Aside from the remark about performance, the latest dev diary went into detail about the map and geography of China, explaining how map projections distort the size of some regions, on what basis the province borders and names were decided, why coastlines and rivers look like they do, and so forth.

Playing in China, you’ll be able to name your own ruling dynasty and even customize its main color, reflecting the practices of Chinese dynasties throughout history. Paradox is also adding characters to the files that won’t actually appear in the game — just in case it wants to add a new start date in the future or modders want to use them.

Crusader Kings 3: All Under Heaven is set to come to PC later in 2025.

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