On windows at least, save files can be found under “Documents\My Games\Sid Meier’s Civilization VI\Saves\Single”. The first step in editing is to decompress the file using decompress. Now you are free to edit the file any way you like using a hex editor.
Is there an in-game editor for Civ 6?
Wiki Targeted (Games) WorldBuilder is a tool to create or edit maps in Civilization VI.
Can you change victory conditions Civ 6?
You have to change it at the custom screen. There you can select which victories you want. If you want all open, but want to go for one specifically (like the GOTMs) enter the victory screen (the red fist on the top right of the screen).
What is the fastest game speed in Civ 6?
There are 5 game speeds in Civilization VI:
