For the first time, AFAIK, The Witcher 3 is at 9€ on the Steam Store, and the GOTY version is 15€ only. (Last sale it was at 20€, IIRC.)
If you have yet to buy it, now would be a good time, I guess! I already own it on GOG so I'm not in a hurry, but it's in my radar now, just so I can own it on both stores.
Also, I'm currently playing Thronebreaker, and it's pretty great. The first map was very hard if only because I didn't quite grasp the changes in the Gwent mechanisms, and the story wasn't fantastic, but it improves over time. Now I own every fight and the third map has a lot of welcomed humor.