The Exclusive True Ending requires a very specific sequence of events. You must maintain a neutral Social Standing while maximizing your Intuition. In the final confrontation, choosing the "Silence" option—which only appears if your Intuition is above 80—will trigger the final hidden cinematic.

To master the game, players must balance three primary invisible stats:

The heart of Unteralterbach 21 lies in its cast. Each character has a "Breaking Point" and a "Fidelity Score."

The "21" in the title refers to twenty-one hidden documents scattered throughout the game’s various timelines. To collect them all: