This is from gog.com
The same company that forces you to install their game manager, which is DRM, in order to install an increasing number of games in their portfolio. The sequal to Hammerwatch is a good example of this. <a href="https://www.gog.com/game/heroes_of_hammerwatch" rel="nofollow">https://www.gog.com/game/heroes_of_hammerwatch</a>
It is all marketing.