From now until June 1, 2015 qualifying purchase (see below for exact detail) will gain gamers two free games when upgrading to the NVIDIA GTX 960, GTX 970, or GTX 980 lineup of graphics cards. 970M and 980M are also eligible for this deal, but whether both games are received or just The Witcher 3: Wild Hunt is defined by which GPU you have.
GTX 960 – The Witcher 3
GTX 970 – The Witcher 3 & Arkham Knight
GTX 980 – The Witcher 3 & Arkham Knight
GTX 970M – The Witcher 3
GTX 980M – The Witcher 3
Previously, NVIDIA released a Behind-The-Scenes footage of what makes playing on their graphics cards special for The Witcher 3: Wild Hunt which launches May 19, 2015 on the following PC platforms: DRM-Free GOG Galaxy (created by CD Projekt RED and launching with new exclusive features), as well as Steam.