CD Project (owners of GOG and creators of The Witcher) are some the most well-known devs from Poland, but this article goes into the main reasons why they are among a dozen or so more game devs where such games as Dying Light and Frostpunk have been made: www.n-ix.com/polish-software-developers/
Larian Studios has two major games in development and opens new studio in Warsaw (files.catbox.moe) angielski
Source: x.com/larianstudios/status/1792495491256664211