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