Here is the full list of all 35 Shadow Man Remastered achievements.
Shoot down all helicopters in Gardelle County Jail, Texas.
Fail to stop Legion from bringing about the apocalypse
Defeat Legion and stop the apocalypse
Find the second Violator
Defeat Marco Cruz
Defeat Milton Pike
Offer Cadeaux to all life altars
Defeat Jack the Ripper
Find the Violator
Acquire Swim Gad
Defeat a True Form
Defeat Victor Batrachian
Defeat Avery Marx
Find an Accumulator
Bestow nightfall to Liveside
Reach Shadow Level 7
Acquire Walk Gad
Find a Retractor
Acquire Poigne
Reach Shadow Level 4
Acquire Touch Gad
Find a piece of the L'Eclipser
Unlock a Secret
Offer 100 Cadeaux to the Loa
Defeat Yort
Find a Voodoo weapon
Find and take a Dark Soul
Open a Soul Gate
Reach Shadow Level 10
Open all Soul Gates
Unlock all Secrets
Save the world without dying
Find every Cadeaux
Defeat the Seraph Queen
Enter the horror again through the hardest of trials.