Issue description
It's a relatively long played map came to load it today and it says the save is corrupted.
I have attached the .save file but it is renamed to .zip
The previous autosave reloaded correctly I have attached that as a .zip as well
Expected behavior
Save to load
Reproduction steps
Version: Early Access 0.4.11
load save
Game version
0.4.11
Attachments
Uploading easy_22-08-02.zip…
22-09-05_12-19-autosave.save
Files not imported: 22-09-05_12-19-autosave.save