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