Spheres of Influence

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Author: EOTeal

Last revision: 14 Oct, 2025 at 13:07 UTC (4)

File size: 647.24 KB

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Description:

Spheres of Influence adds an influence mechanic for Great Powers to the game that allows Diplomatic points to be invested into influencing non-Great Power nations, and eventually exercise control over them through diplomacy.

Influence can be spent in various ways to diplomatically tighten your control over other countries, or reduce the influence of other Great Powers wishing to do the same. Smaller countries can be added to a Great Power’s sphere of influence, becoming a new subject type that is similar to a Tributary State, granting autonomy and protection for the subject and trade power to the overlord.

Spheres can be called into wars in exchange for favors. If influenced enough, an overlord can also choose to force them into a closer subject relationship by becoming a Vassal.

The system is heavily inspired by Victoria 2’s influence mechanic, and implements many features of it into EU4. It was originally created for my other mod, Extended Flavor, but has since been released as a separate feature.

Notes:
– Compatibility with other mods should be quite extensive.
– Supports up to a maximum of 16 Great Powers (if you have other mods that change the limit).
– Should work with existing save files.
– Balance is questionable.
– Not Ironman compatible.

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Revisions:

Old revisions of this mod are available below. Click the link to download.