The DLC Bundle Add-on for L.A. Noire has 20 achievements.
Complete 'Nicholson Electroplating'.
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.
Find and inspect all clues inside Okamoto's ransacked apartment.
Find and inspect the prop spinner at the Nicholson blast site.
Complete 'The Naked City'.
Shoot every letter down from the tower at the Broadway Hotel.
Escort Heather Swanson to Arnett's apartment without damaging your vehicle.
Tail Henry Arnett from Hollywood Station to the pawnbroker and travel agent without being spotted.
Find and inspect all of the narcotics in Julia Randall's apartment.
Complete 'Reefer Madness'.
Complete the puzzle of the US Morgan silver dollars at Parnell's Soup.
Find the flyer at Juan Garcia Cruz's house and proceed straight to the 20th Century Market.
Open both soup cans in Juan Garcia Cruz's stash room.
Enter the Las Palmas stash house via the back door and kill Juan Garcia Cruz.
Complete 'A Slip of the Tongue'.
Find and inspect all of the Marquee-printed pink slips.
During the Industrial Street raid, kill a goon by shooting the hanging engine block.
Correctly branch every question in the interview with Jean Archer.
Catch and arrest Cliff Harrison before he is stopped by uniformed backup.