UBI SOFT Splinter Cell: Chaos Theory Collector's Edition ( Xbox ) To achieve your mission you'll kill from close-range with your combat knife, shoot with a high-tech rifle, and use radical suppression techniques like the inverted neck break Intelligent enemies making your mission more risky as you have to get much, much closer to them Completely replayable -- Totally open level design with multi-paths and Optional secondary objectives Strive for ultimate stealth and rank yourself with the all new post-mission statistics and scoring system