Completed Ei Sekigahara's prologue in Remembrance.

Completed Megumi Yakushiji's prologue in Remembrance.

Completed Takatoshi Hijiyama's prologue in Remembrance.

Completed Juro Kurabe's prologue in Remembrance.

Reach the summit with a companion and return to the beginning.

Finish the game with the same partner for the majority of the journey and return to the beginning.

Pass through 15 gates while surfing through the sunken city.

Uncover all 10 ancient glyphs.

Collect all unique glowing symbols across one or more journeys.

Sit and meditate with another player for more than 20 seconds.

Cross the broken bridge without completely rebuilding it.

Defeat Mine in Chapter 12.

Add all secret shells to your collection.