In fact, the plot of Splinter Cell, involving international terrorists, had to be altered in the wake of 11 September.

BBC: Splinter Cell

There is plenty of plot and dialogue in Splinter Cell, which was left to screen writer JT Petty, who had to follow Clancy's strict rules.

BBC: Splinter Cell

" In recent years, the old-school "Thief" games have been eclipsed by other titles that have improved upon the genre, including Ubisoft's "Assassin's Creed" and "Splinter Cell" series and Arkane Studios' "Dishonored.

NPR: 'Thief' Slithering Into Next Generation Of Games