Here is the full list of all 19 Fat City achievements.
Complete every training job for Knox.
Complete every training job for Ace.
Complete every training job for Fish.
Complete every training job for Dali.
Rob 10 Targets using the Safecracker Tool.
Hack 10 Gates using the Decryption Tool.
Disable 10 Cops using EMP Grenades.
Disable 10 Cops using Dali's Turbo.
Destroy 10 Walls using C4 Explosive.
Disable 10 cops using Tire Spikes.
Hack 10 alarms using Alarm Jammers.
Disable 10 cops using Smoke Grenades.
Complete every job in Brooklyn.
Complete every job in Bronx.
Complete every job in Queens.
Complete every job in Staten Island.
Complete every job in Lower Manhattan.
Complete the last known job in NYC.
Earn three diamonds on all jobs.