Unlock characters
Beat the game with the following characters in order to unlock more characters:
Patchouli Knowledge - Beat the game with Sakuya
Alice Margatroid - Beat the game with Marisa
Iku Nagae - Beat Story mode
Tenshi Hinanai - Beat Story mode
Youmu Konpaku - Beat the game with Reimu
Unlock All Stages
To unlock all stages in the game, just beat out story mode for Tenshi.