Here is the full list of all 33 Dex trophies - there are 19 bronze, 7 silver, 6 gold and 1 platinum.
Complete the game
Resist the allure of a Flesh-and-Blood
Meet the new BiofarmTech receptionist
Met the original
Reach level 15
Reunited ill-fated lover
Complete Hank's collection
Forced Mitchell to confront his past
Expose Crash's identity to the world
Acquire the laser gun
Opened Ellie's eyes
Upgrade a software to its maximum level
Maximize a Major skill to level 6
Don't leave anyone behind
Show THE Armagear hacker who's boss
Open the safe on the Eclipse
Install 7 implants
Bested a war machine
Reach level 10
Perform 20 Takedowns in a single playthrough
Find Soto
Neutralize the TruBody gang
Defeated an old acquaintance for the second time
Perform a headshot
Help an old man off the street
Pick 10 locks
Rescue Shen
Open the safe in the Aphrodite
Drank more than 10 Energo Colas
Successfully use the Convince option in a dialog
Had a taste of all the 'professionals'
Got crushed by an elevator
Reach level 5