: The game increased Agent 47's running and sneaking speeds and reintroduced the ability to jump across balconies.

: A Rifle Case was added to discreetly carry the W2000 Sniper Rifle, and the syringe replaced the previous anesthetic, sedating victims for approximately ten minutes.

: The in-game map was updated with new icons and the ability to distinguish between living and dead NPCs.

: Dragging unconscious or dead NPCs to hidden areas to avoid detection.