No perfect formula exists for making a great game. Even a game from an established studio with solid concepts can sometimes turn flat during development. Sometimes to do a project right, you need a little extra time. Splinter Cell: Conviction went through such a trial, but it looks like the extra incubation time was well spent, because the game emerged at this year’s E3 looking like one of the most polished titles of the show. In 2006’s Double Agent, Sam Fisher’s only daughter was killed by a drunk driver. In Conviction, new evidence surfaces that leads Sam to believe that Sarah...