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