Polish fantasy writer, Andrzej Sapkowski, first wrote The Witcher as a short story in 1986 for the purpose of entering a magazine contest. He came third.

CD Projekt decided to develop a new engine, REDengine, to implement their vision for The Witcher 2.

The game's art design was inspired by the Slavic culture, with minor influences from Celtic, Germanic, and Scandinavian mythos.

CD Projekt released the Director's Cut patch on July 31, 2009 for The Witcher to North American players which removed censorship in the game, mainly revealing nudity on erotic cards.

The original music for The Witcher was composed by Adam Skorupa and Pawel Blaszczak. It released in 2007 and won "Best Fantasy Game Soundtrack" by the Radio Rivendell Fantasy Awards.

In April of 2009 CD Projekt RED announced that The Witcher: Rise of the White Wolf had been put on indefinite hold due to complications with Widescreen Games.

In The Witcher 2, protagonist Geralt was more than a 100 years old.

Dandelion's supposed real name is Julian Alfred Pankratz viscount de Lettenhove. But his original Polish name, "Jaskier", literally means "Buttercup." Not quite befitting of the womanizing bard.

Conan O’Brian reviewed The Witcher III: Wild Hunt on a Clueless Gamer segment.