2021 has finally come to the end. So it is time to update the list with future sales dates :-)
For me it would be also nice to summarize all of the giveaways, which were issued by GOG team so far, what do you think?
Ad 1 - I'll add the future sales' dates as soon as I know them. Which means, well, probably when they actually happen :D "Predicting is very difficult, especially if it's about the future" ;)
AD 2 - thanks to enormous work of @Startrail
(thank you!) we've already got this