Here is the full list of all 26 The Silver Case trophies - there are 6 bronze, 13 silver, 6 gold and 1 platinum.
Completed all Silver Case trophies.
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.
Survived the Danwa case.
Survived the Lifecut case.
Collected both volumes of Kurayami Dance.
Completed the HANA investigation.
Let a phone ring for a long time.
Survived the Kamuidrome case.
Tried to travel into the past.
Completed the YUME investigation.
Talked to Red 50 times.
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.
Completed HIT & BLOW in 5 or fewer attempts.
Completed the Forest exactly as ordered.
Survived the Lunatic case.
Collected the 2nd Comic Beam.