I am trying to get all the achievements but i'm missing one

Partyhouse not a house?

unused trains

loft apartment problem

add language

Way to go past the 15000 hard cap on population?

Megacomputer help

Rocket Issue - possible bug

How would I go around adding to the Workshop?

General Ideas And Suggestions

How to Earn "Ballsy" Steam Achievement?

Pop not rising above 3000 even with raised limit?

how do i add mods? its pretty confusing for me. i know how to sub to them its just when i go into workshop i cant see them

Multiple labs and farms

Whats the oldest citizen you have ever gotten?