Beat the game once.
Beat the game twice (NG+)
Beat the game three times (NG++)
Enter the Chong Sing apartments for the first time.
Exorcise your first ghost.
Exorcise all spirits.
Deal with the Jiang Shi.
Find all (26) Shinrei Shashin.
Make a deal with a legendary spirit.
Find the first jade bangle.
Complete Maiko's portion of the game.
Find all (55) journals.
Unlock all costumes.