There's no way I could do that

Yeah, sales stats are totally private to GOG. They track user agents of downloads and purchases, but it's not public.

Thank you for your response, so it’s up to GOG to do it ?
A comment already confirms, if the wish realizes, everything will change for Linux! (thank you ssokolow)

Explanation, I stumbled on GOGDB and used it to see game updates and fixes.
I never imagined that this titanic work, could be the work of a passionate.
Bravo, Gog won purchases thanks to you!

Not sure if you're interested in the "not for sale" gubbins but here is a bunch for Grim Dawn
"id":1457457389,"title":"Grim Dawn - Pre-Kickstarter Normal DLC"
"id":1457447645,"title":"Grim Dawn - Pre-Kickstarter Legendary DLC"
"id":1457459169,"title":"Grim Dawn - Kickstarter Swashbuckler "
"id":1457459032,"title":"Grim Dawn - Kickstarter Standard"
"id":1457458803,"title":"Grim Dawn - Kickstarter Early Access"
"id":1457458548,"title":"Grim Dawn - Kickstarter Drunken Master "
"id":1457458450,"title":"Grim Dawn - Kickstarter Deluxe"
"id":1457457914,"title":"Grim Dawn - Kickstarter Collectors"
"id":1457447454,"title":"Grim Dawn - Pre-Kickstarter Epic DLC"
"id":1457447334,"title":"Grim Dawn - Pioneer Package"
"id":1457447089,"title":"Grim Dawn - Patron Package"
"id":1457446957,"title":"Grim Dawn - Loyalist Package"

I'll add that I'm not sure what would be done without your site so many mysteries of the bizarre world of GOG would go unanswered without it. So thanks for continuing to provide it.

Apparently there's a new GOG Database, developed by user Tiehichi, which fixes the pricing issue:
https://www.gog-db.info/

Why fork it instead of fixing it upstream?

Great thanks for your useful information and Tiehichi's hard work.

What happened on 2019-05-19?
It's full of these entries:
"Changed access - Unlisted ⇒ Private"

Is the original Gogdb outdated? I see there are 4 more product pages in the fork.
Also, sadly the Extended Changelog doesn't show product names anymore in that version.

Do you know where could I post some feature requests?

Thanks . Updated my bookmark .

the original site is fine its that the new one is tracking all currency price changes so it has way more changes a single game changing all prices will take almost a whole page.

thanks for using my website
This is because the way the backend works is completely different, and I am not good at developing front ends.sorry for my poor english, hope you can understand what I mean.
if you want some new feature, you can mail me: daibingzhi9519@outlook.com.
Due to the design of the framework, it is difficult for me to fix the current problem, but I am designing a new framework to develop a new version.
I also found this problem, my changelog design is too bad, I am developing a new version, and will redesign the changelog

(gog ate my previous post. Damn)

It would be really nice, if you could add opensearch support for gogdb - so people could add it as browser's search engine, then just type game's name and get right into results

I have it added, in both IE and Vivaldi, since you can add custom. MaGOG too, and actually use that. This, very rarely, but it's there.

I have looked into this before and for some reason dropped the idea, can't remember why. But it's a good suggestion, maybe I will give it another look.