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
Upgrade a software to its maximum level
Opened Ellie's eyes
Acquire the laser gun
Forced Mitchell to confront his past
Expose Crash's identity to the world
Complete Hank's collection
Maximize a Major skill to level 6
Don't leave anyone behind
Show THE Armagear hacker who's boss
Reach level 10
Open the safe on the Eclipse
Install 7 implants
Bested a war machine
Perform a headshot
Neutralize the TruBody gang
Perform 20 Takedowns in a single playthrough
Find Soto
Defeated an old acquaintance for the second time
Pick 10 locks
Help an old man off the street
Reach level 5
Rescue Shen
Open the safe in the Aphrodite
Got crushed by an elevator
Had a taste of all the 'professionals'
Drank more than 10 Energo Colas
Successfully use the Convince option in a dialog