Complete all cases on the Arson desk.
Shoot and kill a total of 100 bad guys.
At Elysian Fields, outwit Leland Monroe when discussing his developments or advertising campaign.
Stop a fleeing suspect with a warning shot as an LAPD Detective.
Complete all cases on the Vice desk.
Complete a story case with a five star rating.
Complete all cases on the Homicide desk.
Clear a case finding every clue as an LAPD Detective or Investigator.
Drive 5 different vehicles.
Use evidence to prove a lie as an LAPD Detective or Investigator.
Complete a brawl without losing your hat as an LAPD Detective or Investigator.
Disable a suspect vehicle with help from your partner.
At the Bamba Club, get Dick McColl to give up the license plate of Celine Henry's male companion.
Complete all cases on the Traffic desk.
Tail a suspect without being spotted, in a single case.
Find and solve an inspection puzzle.
Find and inspect a clue as an LAPD Detective or Investigator.
Complete a single street crime case.
Complete all cases on the Patrol desk.
Complete all story cases with a five star rating.
Achieve maximum rank.
Chase down and tackle a fleeing suspect on foot as an LAPD Detective.
At Ray's Cafe, find the bloodstained knife on your first sweep of the crime scene.
At the Bus Shooting, talk Felix Alvarro into giving up the Marines involved in the Coolridge heist.
Keep the needle above 80mph for more than ten seconds while driving.
Drive more than 194.7 miles.
Bring down a total of 30 bad guys with head shots.
Kill at least one bad guy with every gun.
Find and inspect 95% of all clues.
Correctly branch every question in every interview in a single story case.
Use four intuition points in a single interview session, correctly branching each question.
Discover all landmark locations around the city.
Rack up $47,000 in penalties during a single story case.
Follow Candy Edwards without using cover or incognito, except when starting or picking up the tail.
Drive 40 different vehicles.
Drive every vehicle in the city.
Find and inspect all gold film reels.
Complete 'A Slip of the Tongue'.
Find and inspect all of the Marquee-printed pink slips.
Correctly branch every question in the interview with Jean Archer.
During the Industrial Street raid, kill a goon by shooting the hanging engine block.
Catch and arrest Cliff Harrison before he is stopped by uniformed backup.
Complete 'The Naked City'.
Find and inspect all of the narcotics in Julia Randall's apartment.
Tail Henry Arnett from Hollywood Station to the pawnbroker and travel agent without being spotted.
Escort Heather Swanson to Arnett's apartment without damaging your vehicle.
Shoot every letter down from the tower at the Broadway Hotel.
Complete 'Nicholson Electroplating'.
Find and inspect the prop spinner at the Nicholson blast site.
Find and inspect all clues inside Okamoto's ransacked apartment.
Kill the drivers of two of the MP vehicles in the Hughes Aircraft gun battle before they pull up.
Pursue Vernon Mapes from the burning house to Hughes Aircraft on your first attempt.
Complete 'Reefer Madness'.
Complete the puzzle of the US Morgan silver dollars at Parnell's Soup.
Open both soup cans in Juan Garcia Cruz's stash room.
Find the flyer at Juan Garcia Cruz's house and proceed straight to the 20th Century Market.
Enter the Las Palmas stash house via the back door and kill Juan Garcia Cruz.
Respond to 20 street crime cases.
Complete all street crime cases.
Reach 100% Game Complete.
