Crusader Kings III: All Under Heaven

About

Claim the Mandate of Heaven The world of Crusader Kings III is expanding. In All Under Heaven – the game’s fourth Major Expansion – the map extends to Asia to include the rich and storied lands of China, Japan, and Southeast Asia.

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5
Based on
1944 reviews
Country Compatibility:
Languages:
Release date:
28 October 2025
Recent Steam reviews:
Mixed (20)
All Steam reviews:
Mixed (1944)

Game features

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Description

Claim the Mandate of Heaven

The world of Crusader Kings III is expanding. In All Under Heaven – the game’s fourth Major Expansion – the map extends to Asia to include the rich and storied lands of China, Japan, and Southeast Asia. Lead legendary warrior houses, manage vast empires and navigate intricate power struggles in this vibrant region filled with history, culture and innovation.

Whether you aim to unify Japan under your house, claim the Mandate of Heaven in China, or thrive as a God-King in Southeast Asia, All Under Heaven expands the boundaries of Crusader Kings III on a monumental scale.

Key Features

  • China: The Mandate of Heaven

    • Ascend to the highest tier of power with the new Hegemony title, reigning supreme over all empires in the Chinese region.

    • Navigate the Dynastic Cycle, a living system of stability and chaos. Exploit periods of instability to rise to power and reshape the political landscape.

    • Explore the Celestial government system, unique to China. Earn Merit through deeds or the Imperial Examinations, gaining favor and influence.

    • Manage the Imperial Treasury to fund Great Projects, defend against disasters, or expand your influence with statecraft and might.

  • Japan: Rise of the Shogunate

    • Take control of a Japanese House and forge your destiny. Rise through the intricate courtly system to become a mighty Shogun or Kampaku regent.

    • Strengthen your position through alliances, intrigue, and ritual, or unite the Houses through the strength of your samurai armies; which path you take is for you to decide.

    • Lead the Imperial Yamato House to restore power to the Emperor, ushering in an age of imperial grandeur.

    • Experience the rich cultural traditions of Japan, where honor and scandal intertwine, shaping the lives of lords and vassals alike.

  • Southeast Asia: God-Kings and Temple Empires

    • Rule as a Devaraja with the Mandala Government, uniting tributaries into vast, temple-centered empires.

    • Choose what type of deity you want to be by selecting a Devaraja Aspect that grows in strength if you live up to its promise.

    • Pay tribute to the God King by performing Tributary Missions as a Tributary ruler, increasing favor with your subjects. Or become a God King yourself!

  • Explore the Silk Road, new Bookmarks and Flavor

    • Thrive along the expansive Silk Road, as wealth and innovation trace their way across a continent.

    • New historical starting bookmarks bring fresh perspectives and historical challenges. Play as iconic characters from the past or forge your unique path.

    • Immerse yourself in Asia's cultural, artistic, and historical nuances with new throne rooms, events, and traditions.

Recommended system requirements

minimum*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows® 10 Home 64 bit
Processor:
Intel Core i5-750 | AMD FX 4300
Memory:
8 GB RAM
Graphics:
NVIDIA GeForce GTX 660 | AMD Radeon HD 7870 | Intel Arc A310 | Intel Iris Plus G7 | AMD Radeon Vega 11
Storage:
20 GB available space

recommended*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows® 10 (64-bit) or Windows® 11
Processor:
Intel Core i5-8400 | AMD Ryzen 5 1600X
Memory:
16 GB RAM
Graphics:
NVIDIA GeForce GTX 970 | AMD Radeon RX 480 | Intel Arc A580
Storage:
20 GB available space
Additional Notes:
SSD or NVME drive recommended

User reviews

Harris
Not recommended | 17 Apr 2026

When it comes to game design, CK3 is a bit bipolar. Through its many RPG-like systems, it really encourages investing in your character and the upbringing of your heirs. At the same time, it makes it easy to lose your

Helpful: 52
Zeebro
Not recommended | 24 Mar 2026

Gosh I wanted to like to this. The free update that came along with the most recent expansion is nice for the overall game and did some good things for longer game optimization. As for the DLC itself, I was

Helpful: 21
Neptune
Recommended | 25 Apr 2026

Frankly one of the best DLC ever made. The amount of content for the amount you pay is downright ludicrous ! I played as Japan because weeb and expected every other government to be botched. What was my surprise when

Helpful: 25
Trenchie
Recommended | 04 Mar 2026

Paradox DLC practices and other shenanigans somewhat aside although not to be entirely ignored. I have gotten many hours of fun out of this DLC and I understand the historical systems and portrayal are not 110% accurate

Helpful: 17
Amroth
Not recommended | 21 Mar 2026

This DLC is the reason I will never buy season passes for Paradox games again. I bought it with the promise of deeper gameplay on a bigger map, but what I got was the entire game's graphics being dumbed down to make

Helpful: 13
DangerousEwe53
Not recommended | 22 Feb 2026

The fact the base map is still so barren and yet this was their focus is still not baffling to me. Content itself is good, its just the base game thats still the problem, probably always will be. Ive pretty much checked

Helpful: 13