: Actions in one mission affect the next. If 47 is caught on camera or leaves witnesses, his face will appear in newspaper articles, making guards more likely to spot him in future levels.

The game's narrative is framed as an interview between a former FBI director and a journalist, recounting 47's career through a series of "flashback" missions.

: Payouts for "clean" kills (like the Silent Assassin rank) can be spent on upgrading weapons with silencers, scopes, and high-capacity magazines.