Here is the full list of all 24 Blade Runner: Enhanced Edition achievements.
Completed the game - Car Ending
Help all replicants escape
Completed the game - MoonBus Ending
Completed the game on the hardest difficulty
Completed the game on medium difficulty
Completed the game on easy difficulty
Visit all locations
Reach Act 5
For his crimes against humanity, retire Runciter the second time you meet him.
Reach Act 4
Find 100 clues
Spot a familiar face
Reach Act 3
Get arrested and thrown in jail
Escaped the bomb explosion
Your KIA got upgraded
Administer a Voight-Kampff test
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