1st Completely new, expanded tutorial
New tutorial will fully enjoy the world of The Witcher from the outset - provide all aspects of the game from scratch, to advanced and sophisticated techniques of combat. Thanks to the players, for whom the Witcher universe was still unknown, from the beginning will enjoy the rewarding and addictive gameplay.

2nd Dark levels of difficulty
New, extremely high levels of difficulty, in which every opponent is a big challenge. Extension not only raises the bar of difficulty - also offers new, combined grim legend sets 18 new items:
3 sets of armor (light, medium and heavy)
3 sets of dark swords (3 silver and 3 steel)
Other dark objects in the game

3rd A completely new arcade mode - Arena
Arena is a completely new gameplay modes, independent of the second story Witcher The hero becomes the beaten earth against various opponents and fights with them for life and death. Apart from gold and precious objects obtained by defeating enemies, the player also gets points that allow you to compare achievements with others via the official game forums and Facebook. In the arena waiting for not only challenges but also companions. For a moderate fee, join the hero to help him in the toughest battles. The addition Arena include:
New location with a dynamic audience reacts to the actions of players
New adversary - Werewolf
Varied waves of enemies, which are increasingly challenging
3 different prizes to choose from for each of the vanquished waves
3 new characters (mage, knight and dwarf warrior) who for a fee to join the hero
Shopkeeper offering equipment and improvements
3 new GUI panels designed specifically for Arena
New Dialogues

Technical 4.Poprawki
Version 2.0 includes both new and already published extensions and amendments, such as:
More than 40 amendments that affect the gameplay
More than 100 previously released fixes
All 9 sets of DLC:
Trouble with Trolls
Jacket Blue Belt
Kit Alchemist
Set Mage
Set Sword-bearer
Additional finishers
Mysterious Merchant
Barbers
Sack full of feathers