The Witcher is a PC exclusive RPG which puts you in the role of "Geralt" a "Witcher" (professional monster Killer). The game starts out and Geralt has lost his memory. Then the Witcher hideout called "Kaer Morhen" is attacked and the fortress labratory is robbed by an unknown mage.
The game then launches you on a quest to hunt down the men that did this to you and your fellow witchers.
The Witcher has one many game of the year 2007 awards and is one of the best respected the last few years.