How do I change the save game location on ALL my GOG games to point to a specific save_games folder on D drive.
I have a small SSD as my C drive and can only have my windows OS on that.

I have already tried changing the INI file for the specific game to reference my D:\Games\Save_Games folder with no luck.

I have figured out the necessity of downloading each game to my D drive and unplugging my internet when installing the game to be certain I avoid GOG Galaxy. I can't voice my opinion of that thing without causing your stomach to react violently; so I will remain silent on the matter.

Any help with my problem would be appreciated.
Thanks

I primarily use directory symbolic links to keep my data off the OS drive, which is quite effective, but requires the save paths to be researched for each individual game and doesn't work for those that just plop the saves together with the rest of the game files.

It can be set up by running something like this through an admin command prompt:

MKLINK /d "C:\Path\To\Save\Files\" "D:\Other\Path\To\Save\Files\"

An alternative would be using a save manager utility, but I don't have any experience with those.

So, no GOG Galaxy. Fine.

This won't be easy. In short, this is all a mess by itself, no central config exists. In long, let's imagine that I have a simular problem. Each game saves uniquely. Take "Race the Sun," it uses your system's registry, others can save in "Documents," "My Games," somewhere in "AppData," in the game folder, etc. Thankfully possible to handle it. How? Well, I am using Linux but you can do alike manually.

In my case, I could download the latest GOGdb database TAR.XZ file, extract the build ID from the installer by using the "exiftool -ProductVersion" command, then search it in the database to find the actual game ID, then use PCGamingWiki API and if success, get the line where it mentions the place. Afterwards I can use symlinks for. The entire flow can be automated if one wants to, like, not only redirect but automate a backup of saves into a ZIP every day.

In your case just search PCGamingWiki and then identify how it saves, move the folder where want and make a symlink of it for the old location to force a game's writes to go by. If you don't like console commands and want GUI menus in Explorer, Link Shell Extention (Open Source) could be helpful for. That's it.

nvm above is the answer

because these lame devs put their saves to as many locations as possible it is hard to find em
there is an app Gamesave Manager 3 , as name suggests it can save your saves and surprisingly finds them most of the times

And the worst thing is that they often hardcode it, so you can't just change the path in some setting -_-'

this is why the os should limit where they can save

Not going to help much with saves, simply put a lot of games, especially older ones, store save data all over the place, and to be fair saves are a tiny storage anyways so you won’t save anything.
How big is your SSD? Windows doesn’t take that much space (do some cleaning with geekuninstaller and you can save more space by removing all the bloatware).
Next up what do you have installed? There seems to be a need nowadays to have everything installed all the time. Don’t see the benefits, but the downsides are quite clear. Keep your offline installers backed up, and store saves with the,. I have a folder structure like
<series>
<game> [<year>] [<platform>]
Docs
Saves
Mods
Patches

Then I can keep as many saves as I want, organise them anyway I want, move them in or out of installed games. Full control. I would put a text file in each save folder with the location to put them for future reference. I had a 128gb ssd before my current one, and never got close to filling it up.