Here is the list of unlockable achievements for the L.A. Noire expansion, Nicholson Electroplating for the Xbox 360.
Check out my other guide if you’re looking for the full list of achievements for L.A. Noire and its expansions.
The Big Unfriendly (20) – Complete ‘Nicholson Electroplating’
Here are the secret achievements you can unlock in the expansion.
Bulletproof Windshield (20) – Kill the drivers of two of the MP vehicles in the Hughes Aircraft gun battle before they pull up
Out Of The Frying Pan (20) – Pursue Vernon Mapes from the burning house to Hughes Aircraft on your first attempt
Skeletons In The Icebox (20) – Find and inspect all clues inside Okamoto’s ransacked apartment
The Nose Knows (20) – Find and inspect the prop spinner at the Nicholson blast site