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