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Skill System

A deep skill system with 8 skill trees. Earn XP from mining, crafting, fighting, researching, and building, then spend it on permanent upgrades to your character and your factory. As of 1.9.5 there are two capstone abilities. Capstone abilities will have a significant effect on game play and are high on the list for the 2.0 release. For now they are pretty mundane, head to the discussion to add your suggestions, nothing off limits!

Latest version
1.9.87
Downloads
177
Updated
2 mo ago

Download

From Skill System’s own host. Nothing is re-hosted here.

1.9.87release23 Sept 2026

SkillSystem_1.9.87.zip · for 2.1

a866fbf12638…

Frequently asked

How do I install Skill System?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Factorio all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Skill System safely?

From the author's own page on Factorio Mod Portal, which is where the data here is synced from. IndexGG never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Which Factorio versions does Skill System work on?

The author has not declared a supported version in the metadata we sync, so there is nothing here we can state as fact. Check the project's own page before installing it, and treat an old mod with no declared version as untested on modern Factorio.

Last checked 1 mo ago against Factorio Mod Portal. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Not indexed yet. Score 0 against a threshold of 55. The page still exists and is still linked; it simply carries noindex until we hold more.