Mass Effect 2 Collector's Edition - PC New location based damage system allows for targeting of key weak points, blasting off limbs, igniting enemies, or cripple and disable enemy troops. Collector's Edition items including: Mass Effect 2, art book, Mass Effect Redemption #1 comic book, exclusive in-game weapon and armor, behind-the-scenes and making-of DVD and Cerberus Network card granting access to bonus content. Improved NPC conversation system where Commander Shepard can take matters into your own hands by interrupting or using force to get the answer required. Integration with the original Mass Effect game allows players to import saved files and continue play with those files in Mass Effect 2. Choose from 19 different weapons, including devastating heavy weapons that can end a battle in seconds.