Here is the full list of all 22 Death off the Cuff - there are Remastered achievements.
Started the game
Completed the tutorial
Watched the music video
You twirled your moustache
You like to twirl your moustache
You can't stop twirling your moustache
Twirling, Twirling, Twirling Towards Freedom!
Revealed the revolver in Garfield's pocket
Exposed Brian Holmes as the murderer
Revealed the true identity of Sylvester Starfield
Exposed Sylvester Starfield as the murderer
Took decisive action
Exposed Doctor Mole as the murderer
Revealed the relationship between Shane and Jonathan
Revealed the long-lost son of Colonel McClaren
Exposed Shane Pearson as the murderer
Exposed Jonathan as the murderer
Revealed the true identity of Franz Lieberheim
You have given your life in the pursuit of justice
You have solved the case
You ran away, leaving the case unsolved
Reached all the endings