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Primitive Society Simulator

YSH BigDove, YSH Games, The Bueno Interactive

A colony-building game combined with grand strategy elements. Play as a tribal leader, guiding your people from the Stone Age to the Bronze Age. Survive, multiply, and compete for territory among ancient nations.

IndieSimulationStrategyEarly Access

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About This Game

Colonies x Grand Strategy

Fusing the intuitive management of Colony-Build games with the clear competitive stakes and vast scale of Grand Strategy.
Dive into diverse breakthrough tactics:
Early Rush • Cultural Expansion • Trade/Slavery • Migration • Enforce other tribes to tribute or become your vassal.
Combine these approaches, restarting to conquer new paths after each victory.

‌Ancient Nations Competition‌
We added simple grand strategy gameplay to colony-building mechanics.
You will lead a branch of ‌Ancient Chinese, starting by building a small tribe: crafting tools, constructing houses, hunting, farming, and raising livestock.
Then face 5 ethnic groups in Asia: ‌Rongdi, Baiyue, Ancient Chinese States, Aryans, Assyrians‌.
From the eastern Yellow River basin to Mesopotamia – rule or be ruled.

‌Tech Tree & Culture Tree‌
Through war, cultural promotion, and migration, increase your influence over other tribes.
Make other tribes submit, pay tribute, and provide you with slaves, armies, and resources.

‌Manage Slaves‌
Gain advanced tools and bronze through technological advantage for trade.
Or prioritize reproduction through ‌fertility worship‌.
Or embrace violence, train professional soldiers, and plunder extensively.

‌Leaders & Grouping‌
Use Leaders to manage groups, reducing repetitive actions.
Set group schedules: labor, create culture, develop tech, or train.

‌Knowledge Inheritance‌
Leaders gain battlefield experience and can be promoted to nobles. Noble ranks unlock unique unit types, attire, and room facilities.


This is the shared morale of a unit. When any member is attacked, in addition to taking damage, it also reduces the unit's overall organization. When a leader's unit reaches 0 organization, the entire unit will rout. You can improve organization by enhancing training, mood, and noble rank. You can also increase organization damage, which is an effective winning strategy besides directly killing enemies.


Construct specialized rooms to meet tribal needs:
Bedrooms, slave quarters, kitchens, meeting halls, granaries, execution grounds, and altars.


Force lifelong labor, OR adopt them into your tribe to bear children.
Execute slaves to suppress rebellions, OR sell them directly.


Tribesmen gain knowledge through labor – lost when they die.
Must carve knowledge onto stone monuments to preserve it.
These monuments become learning tools for future generations.

Community Activity

  1. [Beta] 0.3.5_1026.1404

    Interaction Improvements The millitary sevice call ux should now display the tribe's current independence tendency. Added an explanation of the population cap; slaves do not…

  2. Primitive Society SimulatorSteam announcement

    Beta Branch:Patriarchy and Family

    Beta Branch There is a policy tree The evolutionary process from group marriage to patriarchal families is all here This is a process of social reform Group marriage: A brief…

  3. 0.3.5_907.1945

    Bug Fixes Sold slaves are no longer stuck, and the caravan count no longer displays as negative. When migrating, if no tribesmen are selected, slaves cannot be selected either.…

  4. 0.3.5_830.1848

    Added a note to the room interfaces indicating that "the roof will be auto built together with the room." Fixed some bugs that would trigger red error messages, which did not…

  5. 0.3.5_817.1746

    Bug Fixes Rivers on the large map do not freeze in winter Ghost-faced warriors should have a faster movement speed than other unit types The quality of weapons looted from…

  6. 0.3.5_806.1412

    Bug fixes Burning corpses causes an error Leftover soldiers were not removed

  7. Primitive Society SimulatorSteam announcement

    Added a larger map

    Added a larger map. Old saves are compatible and unaffected. The main change is the expanded landmass, featuring additional rivers and fish/lobster resources. The future focus of…

  8. Beta 0.3.5_727.2117

    Bug fixes Roofs should not generate on city walls and altar bases Rooms enclosed by animal pens and execution ground fences should not generate roofs Fixed lightmaps on new maps…

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