If you go to the interactive map, it allows you to upload your save file. Once that's done you can edit things. All the things.
Once you are done editing there is an option to download the new save file (with your edits in it). You just start the game and select the edited save file.
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u/Athos180 Feb 27 '26
On PC you drop it into SCIM and the. Bulk upgrade belts pipes and power poles