The significant changes featured in the enhanced version are over 200 new animations, additional NPC models and recoloring of generic NPC models as well as monsters, vastly expanded and corrected dialogues in translated versions, improved stability, redesigned inventory system and load times reduced by roughly 80%. In addition, all bugs are said to be fixed and the game manual completely overhauled. There are also two new adventures available to play through: Side Effects and The Price of Neutrality. A new option is to mix and match ten different languages of voice and subtitles. For instance, players can now choose to play the game with Polish voices and English subtitles. Other featured languages are Russian, Italian, French, Spanish, German, Czech, Hungarian and Chinese. Aside from the game enhancements, The Witcher Enhanced Edition includes a "making of" DVD, a CD with 29 in-game soundtracks, another CD with "Inspired by" music, the short story The Witcher from the book The Last Wish, a map of Temeria printed on high quality paper, and the official strategy guide. In addition, a new and enhanced version of the D'jinni Adventure Editor is on the DVD with the two new Adventures. The game updates, as well as the box's extras, are available as a free download for owners of the original version who registered their game on the official forum. Furthermore, old savegames are compatible with the Enhanced Edition.
According to CD Projekt co-founder Michal Kicinski, the Enhanced Edition required a $1 million investment, and the company has shipped 300,000 copies of the retail version worldwide as of December 2008, and counting digital distribution and retail sales the original game and the Enhanced Edition sold around 2 million copies as of 2010.
