Here is the full list of all 32 Dex achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Forced Mitchell to confront his past
Exposed Crash's identity to the world
Opened Ellie's eyes
Had a taste of all the 'professionals'
Upgraded a software to its maximum level
Got crushed by an elevator
Found Soto
Met the new BiofarmTech receptionist
Completed the game
Maximized a Major skill to level 6
Met the original
Sold all the antiques to Hank
Didn't leave anyone behind
Showed THE Armagear hacker who's boss
Reached level 15
Opened the safe on the Eclipse
Reunited ill-fated lovers
Acquired the laser gun
Installed 7 implants
Bested a war machine
Opened the safe in the Aphrodite
Rescued Shen
Reached level 10
Helped an old man off the street
Drank more than 10 Energo Colas
Defeated an old acquaintance for the second time
Neutralized the TruBody gang
Picked 10 locks
Performed a headshot
Performed 20 Takedowns in a single playthrough
Reached level 5
Successfully used the Convince option in a dialog