Here is the full list of all 24 Karma City Police achievements.
Be successful on all the calls from the first shift
Finish your first shift.
Access your first computer.
Finish the first fight.
Finish your second shift.
Be successful on all the calls from the second shift
Defeat your colleague.
Got the coffee maker fixed.
Get a working power stabilizer.
Meet the enfermary.
Use the crane.
Talk to the Mayor after the speech.
Finish your third shift.
Be successful on all the calls from the third shift.
Win the tournament at the training academy.
Defeat the protesters
Defeat the vet.
Finish your fourth shift.
Finish your fifth shift.
Be successful on all the calls from the fifth shift.
Defeat your colleague
Talk to Gilles in his apartment.
Alternative ending
Defeat the boss