Guards will become suspicious if they see you running, standing too close to them, or carrying an inappropriate weapon for your current disguise [10]. Walking is your safest default state [7].
Disguises are your primary tool for infiltration. However, guards of the same type as your disguise can often see through your cover if you linger nearby or act "abnormally" [10, 19].
Kill or harm no one except your primary targets.
Non-lethal way to neutralize NPCs; limited uses per mission. Agent 47's iconic silenced pistols; use for tactical shots. Bonus Weapons
To achieve the highest rating in a mission, you must strictly follow these rules [6, 11]:
Ensure no one survives an encounter or sees you performing illegal acts.