Here is the full list of all 30 The Assembly trophies - there are 11 bronze, 13 silver, 5 gold and 1 platinum.
All prior trophies have been unlocked
Collects all Project Dossiers
Reach the 4th year in any round of the Outbreak trial
Discover the preperation for Madeleine's trials
Complete the obsolete Pillar Trial
Attempt to leave the second trial with a dagger
Read all the magazines in the waiting rooms
Discover Anton's investigation into the Director's illness
Complete The Assembly
Madeleine is offered a job at the Assembly
Meet the Director
Escape the Assembly
'Save' the dog from Dr Chevez's experiment
Discover the Cryo experiment
Open the briefcase
Listen to Benson's voice message to Larson
Expel Gerard from his room
Disable Silver Matter
Hear Cal's Confession
Retrieve your Portable Hard Drive
Spot Dr Chevez
Complete your second trial
Feed the dog
Gather all evidence
Give Larson's love note to Benson
Complete your first trial.
Continually stare at Dr Chevez
Find the Casius-D dossier
Find the sandwich in samples fridge
Meet Dr Chevez