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