The Witcher 2: Assassins of Kings was officially announced on September 18, 2009.[2] CD Projekt developed their own engine for the game,[8] unlike the first installment which ran on a modified version of BioWare's Aurora Engine. The game also incorporates the Havok physics engine.

On March 25, 2011, CD Projekt released the first gameplay video, which showcased a variety of different methods in which a player could complete a telah diberi level. Another gameplay video was revealed at Gamescom, displaying the many different characters and settings found in the game. The game features a branching duologue...