After countless game sessions watching features and deposits from events, anomalies, archeo sites, and cool decisions vanish due to terraforming or the Arcology Project—I HAD ENOUGH!

This mod does exactly what it says: Preserves your vanilla and modded features/deposits post-Ecumenopolis conversion and terraforming.

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- Terraforming into Machine Worlds, Hive Worlds, and Nano Worlds no longer removes rare deposits and features!



- Converting or restoring an Ecumenopolis will also no longer remove rare deposits and features!
- Note: Some deposits (e.g., those spawned on Earth) may not survive transformation. A fix is in the works.


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This mod overrides the following vanilla files:
- `action.68` (Terraforming)
- `02_special_decisions` (Arcology Project / Restore Relic World)

⚠️ Any mod that also changes these files will be incompatible.
(A patch may be required—either from me or others.)


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This mod is compatible with:
- Ascension Planets Construction Situations (APCS) (Previously ECS)
- Guilli's Planetary Modifiers And Features
- Planetary Wonders
- Relic World Flavour
- Planet Diversity: More Arcologies
- Real Space : New Arcologies
- Sparbles Hyperconstructs
- Planetary Mega engineering
- NGS
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This isn't a direct list, just put feature preserver between whatever mods you have.

Guillis Planet Modifiers

Planetary Wonders

Planetary Megastructures

Relic World Flavour

Sparbles Hyperconstructs

Planet Diversity
- PD More Arcologies

Real Space
- Real Space New Arcologies

Feature Preserver

APCS




[olist]

Fix Earth deposits (may require custom replacements)

Sub-mod to upgrade features/deposits

[/olist]

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If you notice missing features or deposits,suggest improvements, or you want to make your mod compatible;

- Post in the "Suggestions" discussion.
- Or hit me up on the Stellaris Modding Den

Thanks for checking out the mod!