Here is the full list of all 27 Prison City achievements.
Complete the Game
Successfully Break the Targets
Obtain All Upgrades
Successfully Juggle Sportballs
Successfully Smash the Car
Complete the Train Without Taking Damage
Complete Rooftops Without Taking Damage
Complete Freeway Without Taking Damage
Complete Sewers Without Taking Damage
Complete Preserve Without Taking Damage
Complete Cold Storage Without Taking Damage
Complete Factory Without Taking Damage
Complete Power Plant Without Taking Damage
Complete Stadium Without Taking Damage
Complete Outer DCP Without Taking Damage
Unlock the Sound Test Menu
Ride a Dolphin on the Freeway
Successfully Complete the Warden Rush on Easy
Successfully Complete the Warden Rush on Modern
Successfully Complete the Warden Rush on Classic
Ignore the Pickups in the Warden Rush Refill Room on Easy
Ignore the Pickups in the Warden Rush Refill Room on Modern
Ignore the Pickups in the Warden Rush Refill Room on Classic
Complete DCP HQ Without Taking Damage
Complete Escape Without Taking Damage
Successfully Disarmed Bombs on the Dam
Complete the Game in Bomber Mode