Official
Mortal Shell 2 Night Mode
Night Mode is an existing game feature that players are still documenting, and Cold Symmetry says future updates will extend it. The developer has not attached a public date or complete feature list to that promise. [patch]
Community posts discuss discoveries and secrets, but treat those as player observations until independently verified in-game. [community]
Because the mode is changing, check the latest patch notes before relying on route-specific advice.