Here is the full list of all 25 The Silver Case achievements.
Survived the White Out prologue case.
Learned about the attempt to build a 25th ward.
Completed the YAMI investigation.
Completed the HIKARI investigation.
Completed the AI investigation.
Completed the TSUKI investigation.
Completed the HANA investigation.
Completed the YUME investigation.
Talked to Red 50 times.
Survived the Danwa case.
Survived the Lifecut case.
Collected both volumes of Kurayami Dance.
Survived the Kamuidrome case.
Survived the Parade case.
Read the Mikumo village documents in order.
Survived the Spectrum case.
Correctly answered all trivia questions.
Explored the entirety of the Typhoon apartment complex.
Survived the Decoyman case.
Tried to travel into the past.
Completed HIT & BLOW in 5 or fewer attempts.
Let a phone ring for a long time.
Completed the Forest exactly as ordered.
Survived the Lunatic case.
Collected all Comic Beams.