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| A Cop on Every Corner (Bronze) | Complete a single street crime case. |
| Asphalt Jungle (Bronze) | Chase down and tackle a fleeing suspect on foot as an LAPD Detective. |
| Auto Collector (Bronze) | Drive 40 different vehicles. |
| Auto Enthusiast (Bronze) | Drive 5 different vehicles. |
| Auto Fanatic (Silver) | Drive every vehicle in the city. |
| Dead Men Are Heavier (Bronze) | Shoot and kill a total of 100 bad guys. |
| Golden Boy (Bronze) | Clear a case finding every clue as an LAPD Detective or Investigator. |
| Hollywoodland (Silver) | Find and inspect all gold film canisters. |
| Johnny On The Spot (Silver) | Respond to 20 street crimes cases. |
| Keep A Lid On (Bronze) | Complete a brawl without losing your hat as an LAPD Detective or Investigator. |
| Lead Foot (Bronze) | Keep the needle above 80mph for more than ten seconds while driving. |
| Magpie (Gold) | Find and inspect 95% of all clues. |
| Miles On The Clock (Bronze) | Drive more than 194.7 miles. |
| Moth To A Flame (Gold) | Complete all cases on the Arson desk |
| No Rest For The Wicked (Bronze) | Complete all cases on the Vice desk |
| Not So Hasty (Bronze) | Stop a fleeing Suspect with a warning shot as an LAPD Detective. |
| One For The File (Bronze) | Find and inspect a clue as an LAPD Detective or Investigator. |
| Paved With Good Intentions (Bronze) | Complete all cases on the Traffic desk |
| Platinum Trophy (Platinum) | Collect all other Trophies to unlock. |
| Police Academy (Bronze) | Complete all cases on the Patrol desk |
| Public Menace (Silver) | Rack up $47,000 in penalties during a single story case. |
| Roscoe And Friends (Bronze) | Kill at least one bad guy with every gun. |
| Round Heels (Bronze) | At the Bamba Club, get Dick McColl to give up the license plate of Celine Henry's male companion. |
| Shamus To The Stars (Gold) | Complete all story cases with a five star rating |
| Stab-Rite (Bronze) | At Ray's Cafe, find the bloodstained knife on your first sweep of the crime scene. |
| Star Map (Bronze) | Discover all landmark buildings around the city. |
| The Brass (Silver) | Achieve maximum rank |
| The Hunch (Silver) | Use four intuition points in conversation with a single suspect, correctly branching each question. |
| The Long Arm of the Law (Silver) | Complete all street crime cases. |
| The Moose (Bronze) | Tail Candy Edwards from the parking lot to her destination without using cover or going incognito, except when staring or picking up the tail. |
| The Naked City of the Angels (Gold) | Reach 100% Game Complete. |
| The Plot Thickens (Bronze) | Find and solve an inspection puzzle. |
| The Shadow (Bronze) | Tail a suspect without being spotted, in a single case. |
| The Simple Art Of Murder (Bronze) | Complete all cases on the Homicide desk |
| The Straight Dope (Bronze) | Use evidence to prove a lie as an LAPD Detective or Investigator. |
| The Third Degree (Silver) | Correctly branch every question in every interview in a single story case. |
| The Up and Up (Silver) | Complete a story case with a five star rating. |
| Traffic Stop (Bronze) | Disable a Suspect vehicle with help from your partner. |
| Wooden Overcoats (Silver) | Bring down a total of 30 bad guys with head shots. |
