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