Here is the full list of all 31 Agent A: A puzzle in disguise (EU) trophies - there are 10 bronze, 15 silver, 5 gold and 1 platinum.
Unlock all other trophies to become Spy Master
Complete all conversations with Günther
Give your new ally their favourite delicacy, prepared to perfection
Find every spider web in Agent A
Collect the fish bones a second time
Give Günther (the crazy Norwegian bird) hiccups
Release your latest catch... HINT: not Ruby though
Make a 'Boing' sound 10 times quickly
Complete Agent A in less than 120 minutes
Complete all conversations with Trevor
Deliver a surprise to Onyx and you'll have an ally for life
Shoot the gun range target 100 times
Investigate Ruby's phone call records
Look up glissando in a dictionary, you'll know what to do Agent... HINT: start from the marked key
Show us your DJ skills, scratch a record for 10 seconds
Overflow the sink a second time
Give Agent A an 'electrifying' hairdo
Sabotage Ruby's submarine
Find Ruby's submarine
The old phone in the shoe trick eh!? Find a shoe phone
Broadcast warning message to Agent B
Download Ruby's mission
Uncover Ruby's mission
Sneak into Ruby's hideout
Hit the briefcase kill switch
Access the hidden pool door
Disarm the electric pool
Open a stone doorway
Disable the house alarm system
Locate Ruby La Rouge
Infiltrate Ruby's secret lair