Can download the app here: https://github.com/varren/MetroExodusMultipleSaves/releases/tag/v0.1
Works only on Windows. And it is raw version. Made it in a couple of hours. Bugs can occur, so don't rely to much on it. Requires Java 8. If you don't want to download the exe file, just download the full source code and compile it.
WARNING: "restart game" will close the game without saving current game. WARNING: "restart game" and "load" will remove your current saves,, both quicksave and autosave.
Known issues: Screens work only if you play in windowed mode and not in full screen
To turn windowed mode on you have to edit this file:
%HOMEPATH%\Saved Games\metro exodus\user.cfg and change r_fullscreen off
