Under the "multiplayer" we can choose "public" or "invite friend" so player can create or join room to play multiplayer.

Hm... than you would need a hosted server infrastructure by factorio devs.
At the moment you could just make a public game, but in most cases no one can join because of ...

Thats right. Considering multiple worlds, we should definiteley make the autosave world specific.
In my screenshot, the latest autosave should be named MyWorld_autosave1.zip.
Then we have multiple autosaves (based on the setting) for each world.

In fact I also like the idea of just overwriting the ...

Hello,


EDIT: I have just thought of another, related, suggestion: make _autosave1 always the most recent, and move the previous _autosave1 to _autosave2, and the previous _autosave2 to _autosave3. _autosave3 is deleted.


I just want to show my support for this idea, I had the same idea today ...