Prior to CD Projekt's involvement, Metropolis Software (which CD Projekt bought in 2009 and closed in 2010) had obtained an undisclosed license from Andrzej Sapkowski for his novels in The Witcher series, around 1997.
Før CD Projects involvering havde Metropolis Software (som CD Projekt købt i 2009 og lukket i 2010) opnået en ikke-frigivet licens fra Andrzej Sapkowski for sine romaner i The Witcher- serien omkring 1997.