Here is the full list of all 20 Dragon Audit trophies - there are 2 bronze, 10 silver, 7 gold and 1 platinum.
Move the tank out of the way so George can go to work.
Collect all other trophies.
Operate the crane in Squelch.
What are they spicing it with?!
Fix the door's security system so Ayraw can retrieve her records.
Repair the castle's paternoster.
Beat the game.
At the dungeon door (in the Castle's basement), choose the correct option~
Complete all points of interest in Squelch (every point of interest should be crossed off).
Complete all points of interest in Ayraw's Castle (every point of interest should be crossed off).
Play one round of Durgon Pinball (hint: access it via Persimmons).
Get over 20,000 points in Durgon Pinball.
Find the secret in Squelch and read ALL its text.
Find the secret in Castle and read ALL its text.
Deliver the ~lovely poetry~ to Matt, and then let Lucca know.
Try to use the Congo package on the soil without opening it first.
Put the statue back after melting it.
Try to use several items on Metra while she sleeps.
Reach the ending within 40 minutes. It is measured at the point of starting the ending when using Ayraw's bed. You must play Squelch, but don't need to play the intro.
Beat the third level of the wire connection minigame the hard way.