Here is the full list of all 45 The Mercury Man achievements.
Kill all security guards.
Collect all posters.
Betray Andrew.
Release Cluck-Cluck.
Release Pastelo.
Release Geldallion.
Release Gobbarbler.
Release Archangelton.
Release Riccar Fire.
Shoot Anne.
Leave Mars with the woman you love.
Shoot Julia.
Take a train trip without napping.
Finish the game without using special ammo.
Bad ending.
Refuse to shoot Anne.
Clear the table during the train trip.
Leave the bunker with Anne.
Deal with Victoridge.
Drink 50 bottles of beer (during fights).
Smoke 50 cigarettes (during fights).
Kill Goldenmouth.
Execute Cluck-Cluck.
Arrest Pastelo.
Arrest Geldallion.
Execute Gobbarbler.
Use 20 medkids (during fights).
Finish gunsmith’s challenge.
Execute Archangelton.
Finish a fight without using beer, cigarettes and medkits from the inventory.
Arrest Riccar Fire.
Spend 2 or more hours in the game.
Finish Prologue.
Use all types of special ammo.
Finish the game without deaths.
Execute Riccar Fire.
Arrest Archangelton.
Arrest Gobbarbler.
Execute Geldallion.
Execute Pastelo.
Execute all bosses.
Arrest all bosses.
Release all bosses.
Leave Mars with a friend.
Leave Mars with the man you love.