Complete Chapter 1.
Achieve a perfect score on every trial in Chapter 1.
Complete Chapter 2.
Achieve a perfect score on every trial in Chapter 2.
Complete Chapter 3.
Achieve a perfect score on every trial in Chapter 3.
Seize every opportunity to disrespect Mai Yamanobe.
Question Sakura's proficiency with the sword. In front of Sakura. When she's holding a sword.
Defend Koume Kawai beyond the bounds of decency.
Try to play shogi instead of solving the case.
Endure all of Yuza Sakata's sicknasty tongue-lashings.
Are you a land mackerel or a sass mackerel?!
Defend Ryu Ootaki beyond the bounds of reason.
Make Youri Takahata yawn.
Come on. The man is a professional.
Enable the MIDI (FM Synth) version of the soundtrack after clearing the last chapter.
Complete Chapter 4.
Achieve a perfect score on every trial in Chapter 4.
Succumb to temptation.
Shimei's a lover, not a fighter.
Follow the truth wherever it leads.
Prove your mettle in the darkest hour.
Carefully explore every possible path.
Achieve a perfect score on every trial in the game.