Steam News13 June 20262mo ago

Experimental 0.18

Hello everyone, I have a significant set of updates today. Here is the changelog: Changelog Subregions enabling can now be selected at game start, but cannot be changed once the game has started New mod defines editor t

In this update1

Full notes

Full Solar Nations 2 update

Read the full published notes in a cleaner layout. The original post stays linked below.

Repeated intro

Hello everyone, I have a significant set of updates today. Here is the changelog:

What changed

0 fixes4 additions6 changes0 removals

Gameplay
UI and audio

addedChangelogSubregions enabling can now be selected at game start, but cannot be changed once the game has started

addedChangelogNew mod defines editor tool in the mod uploader section. This tool will do the formatting of the json files for you, and help build new mod content.

changedChangelogResearch costs reduced by ~20%, but education rate reduced by 50%. This is intended to make research faster in the early game, but slower later on.

addedChangelogNew AI Nukes option to disable AI bombing with strategic weapons

changedChangelogAI desire to build spaceports and spaceships increased

changedChangelogPolycrisis severity reduced effects

Solar Nations 2 changes

addedSubregions enabling can now be selected at game start, but cannot be changed once the game has started

addedNew mod defines editor tool in the mod uploader section. This tool will do the formatting of the json files for you, and help build new mod content.

changedResearch costs reduced by ~20%, but education rate reduced by 50%. This is intended to make research faster in the early game, but slower later on.

addedNew AI Nukes option to disable AI bombing with strategic weapons

changedAI desire to build spaceports and spaceships increased

Changelog

Subregions enabling can now be selected at game start, but cannot be changed once the game has started
New mod defines editor tool in the mod uploader section. This tool will do the formatting of the json files for you, and help build new mod content.
Research costs reduced by ~20%, but education rate reduced by 50%. This is intended to make research faster in the early game, but slower later on.
New AI Nukes option to disable AI bombing with strategic weapons
AI desire to build spaceports and spaceships increased
Polycrisis severity reduced effects
Costs of buying/selling resource capacities reduced by 75%
Trade barriers and market fee reduced overall
More tooltips
New wonders
Bug fixes

Source

Steam News / 13 June 2026

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