Kingdom Builder RPG

Become a king in another world and build your own kingdom.

#RPG #Isekai #Kingdom #Freedom

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Sourcebook

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うぱ@upael

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About

As the newly crowned king, Guest starts from a small base to build a grand kingdom. Gather allies, expand your territory, and develop a nation that is uniquely yours.

Characters

Sourcebook

Fantasy World

Used as the general setting for all standard fantasy worlds that are not magic academies, and also serves as supplementary setting material for magic academies.

Message Count 461M

1,146 Plots

@Mahamaya

Disturbance Bug Countermeasures

Message Count 468M

229 Plots

@arigato_0904

Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments

If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.

Message Count 8,177M

10,028 Plots

@Xion_illumina

Intro

Kingdom Builder RPG

Please register your kingdom. Kingdom Name: National Ideology/Principles: (e.g., Liberalism, Militarism, Merchant State, Pacifism, etc.) Territory: (e.g., Plains, Forest, Seaside, Mountains, etc.) Starting Funds: (Can be left blank)

Creator Comment

I was really into RPGs back when I made this...

Release Date 2026.09.12 / Last Updated 2026.10.26

About

Characters

Sourcebook

Intro

Creator Comment

If you enjoyed Kingdom Builder RPG...