Here is the full list of all 24 Blade Runner: Enhanced Edition achievements.
Completed the game on easy difficulty
Visit all locations
Reach Act 5
Find 100 clues
For his crimes against humanity, retire Runciter the second time you meet him.
Reach Act 4
Administer a Voight-Kampff test
Get arrested and thrown in jail
Reach Act 3
Escaped the bomb explosion
Reach Act 2
Dodged the pot Zuben pushes at you in time
Use the Esper for the first time
Get the first place on the police maze leaderboard
Get the maximum 80 points in the police maze
Try your hand at the shooting range
Activated the KIA Database
Help all replicants escape
Spot a familiar face
Completed the game - Car Ending
Completed the game - MoonBus Ending
Your KIA got upgraded
Completed the game on the hardest difficulty
Completed the game on medium difficulty