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