Cheats for L.A. Noire for PS3

On the first mission where you do an interrogation (buyer beware) the part where you talk to the women in the jewelry store, it tells you what to enter. If you do this you get 15 xp. Then restart the mission grab the receipt and do it again you gain 15 xp each time so far for me I've got 1 level everytime I've done it.

Pre-Order bonus from Best Buy and Zavvi.

Complete all cases on the Arson desk : Moth To A Flame (Gold)

Complete all cases on the Homicide desk : The Simple Art Of Murder (Bronze)

Complete all cases on the Vice desk : No Rest For The Wicked (Bronze)

Complete all cases on the Patrol desk : Police Academy (Bronze)

Complete all cases on the Traffic desk : Paved With Good Intentions (Bronze)

Complete a single street crime case. : A Cop on Every Corner (Bronze)

Stop a fleeing Suspect with a warning shot as an LAPD Detective. : Not So Hasty (Bronze)

Chase down and tackle a fleeing suspect on foot as an LAPD Detective. : Asphalt Jungle (Bronze)

Disable a Suspect vehicle with help from your partner. : Traffic Stop (Bronze)

Use evidence to prove a lie as an LAPD Detective or Investigator. : The Straight Dope (Bronze)

Find and inspect a clue as an LAPD Detective or Investigator. : One For The File (Bronze)

Clear a case finding every clue as an LAPD Detective or Investigator. : Golden Boy (Bronze)

Find and solve an inspection puzzle. : The Plot Thickens (Bronze)

Keep the needle above 80mph for more than ten seconds while driving. : Lead Foot (Bronze)

Drive more than 194.7 miles. : Miles On The Clock (Bronze)

Shoot and kill a total of 100 bad guys. : Dead Men Are Heavier (Bronze)

Kill at least one bad guy with every gun : . Roscoe And Friends (Bronze)

Tail a suspect without being spotted, in a single case. : The Shadow (Bronze)

Discover all landmark buildings around the city. : Star Map (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 Moose (Bronze)

Complete a brawl without losing your hat as an LAPD Detective or Investigator. : Keep A Lid On (Bronze)

Drive 5 different vehicles. : Auto Enthusiast (Bronze)

Drive 40 different vehicles. : Auto Collector (Bronze)

Respond to 20 street crimes cases. : Johnny On The Spot (Silver)

Complete all street crime cases. : The Long Arm of the Law (Silver)

Complete a story case with a five star rating. : The Up and Up (Silver)

Achieve maximum rank : The Brass (Silver)

Bring down a total of 30 bad guys with head shots. : Wooden Overcoats (Silver)

Correctly branch every question in every interview in a single story case. : The Third Degree (Silver)

Use four intuition points in conversation with a single suspect, correctly branching each question. : The Hunch (Silver)

Rack up $47,000 in penalties during a single story case. : Public Menace (Silver)

Drive every vehicle in the city. : Auto Fanatic (Silver)

Find and inspect all gold film canisters. : Hollywoodland (Silver)

Reach 100% Game Complete. : The Naked City of the Angels (Gold)

Complete all story cases with a five star rating : Shamus To The Stars (Gold)

Find and inspect 95% of all clues. : Magpie (Gold)

Collect all other Trophies to unlock. : Platinum Trophy (Platinum)

At the Bus Shooting, talk Felix Alvarro into giving up the Marines involved in the Coolridge heist. : The Fighting Sixth (Bronze)

At Ray's Cafe, find the bloodstained knife on your first sweep of the crime scene. : Stab-Rite (Bronze)

At Elysian Fields, outwit Leland Monroe when discussing his developments or advertising campaign. : Huckster (Bronze)

At the Bamba Club, get Dick McColl to give up the license plate of Celine Henry's male companion. : Round Heels (Bronze)

It's an Amazon Pre-Order bonus.

Awarded after reaching rank 8.

Awarded after reaching rank 18.

Awarded from the Badge Pursuit Challenge.