Because this is a sequel to the game, although it is the sixth one, it is the second version in terms of plot. In the game, the player will control 47 to play the game. There is no skill and level setting, but there is physical strength setting. When the character is exposed and fighting, it is necessary to quickly destroy the enemy or change the disguise to avoid the death of the character due to physical decline.

You can't choose the difficulty at the beginning of the game, but with the mastery of the map site reaching level 20, the "professional" difficulty is unlocked, the combat difficulty of the professional difficulty is greatly improved, the guard's behavior is more acute, and the leaderboard ranking is unlocked. Reaching 10 in the "professional" difficulty will unlock the rewards different from the general difficulty. Professional difficulty can only be selected in the main task.

The "opportunity" function is added to the task mode, which can track some hidden plots in the game. It can be triggered by listening to other characters' conversations or getting items, and providing stories corresponding to the completion of the goal. In the story of opportunity, it usually needs to be promoted through specific camouflage or objects and dialogues, and some stories will miss clues according to time or completion goals.