Here is the full list of all 58 Mercury: Cascade into Madness achievements.
Complete Chapter Two
Complete the 'Thorough' Side Quest
Complete Chapter One
Complete Chapter Three
Complete Chapter Four
Complete Chapter Five
Complete Chapter Six
Complete Chapter Seven
Complete Chapter Eight
Complete Chapter Nine
Complete Chapter Ten
Complete Chapter Eleven
Complete the game on any difficulty
Complete the game on Challenging difficulty
Complete 'The Benefactor' Side Quest
Complete the 'Smugglers' Side Quest
Complete the 'It's Personal' Side Quest
Complete the 'A Favour' Side Quest
Complete the 'An Upgrade' Side Quest
Complete the 'A Spy in Blue' Side Quest
Complete the 'Devious Ploy' Side Quest
Complete the 'Girl's Best Friend' Side Quest
Complete the 'Mad Genius' Side Quest
Complete the 'Stolen Goods' Side Quest
Achieved Maximum Trust with Brent
Got a thug in the Warehouse to speak (Chapter Two)
Get Jorge Ashmore to tell you everything (Chapter Five)
Got interrogated by Ryan Evans without a single punch (Chapter Five)
Made Ryan shoot one of his own men (Chapter Five)
Got interrogated by Ryan Evans and got punched for every single answer (Chapter Five)
Use an alcoholic drink to get rid of one of Nathan's bodyguards
Use women to get rid of one of Nathan's bodyguards
Use a hallucinogenic shot to get rid of one of Nathan’s bodyguards
Convince Nathan to spill all the info without resorting to torture
Successfully use torture methods to make Nathan talk
Decided not to risk a hostage’s life and spared Jaxon (Chapter Eight)
Agree with Carmine
Agree with Centurion
Convince Spade to offer you support
Convince Alexin to offer you support
Spared Nathan
Resisted the urge to kill Jaxon and got him arrested
Spared Gemma and got her arrested instead
Killed Nathan
Killed Jaxon
Killed Gemma
Fully disable the Aldrion Palace Sentinel Bot
Take on and destroy the Aldrion Sentinel Bot without disabling any of its systems
Have Keler survive all the way until the end of the game
Ryan escapes and is still at large
Killed Ryan
Read every single news update within the same playthrough
Seen a new, 'brighter' future
Got both perpetrators successfully arrested and saved the city
Disaster has struck the city, we should’ve been more careful!
Beat the game without acquiring a single cop kill, break in, or torture infamy
Beat the game whilst acquiring a maximum number of cop kills, break ins, and tortures
Complete the game whilst having good relations with Carmine, Centurion, Brent, Spade, Alexin, and Keler