Here is the full list of all 35 Shadow Man Remastered achievements.
Reach Shadow Level 4
Reach Shadow Level 7
Reach Shadow Level 10
Find a Voodoo weapon
Find the Violator
Defeat a True Form
Defeat Yort
Defeat Marco Cruz
Defeat Milton Pike
Defeat Jack the Ripper
Defeat Victor Batrachian
Find a Retractor
Bestow nightfall to Liveside
Acquire Touch Gad
Acquire Poigne
Acquire Walk Gad
Acquire Swim Gad
Unlock a Secret
Offer 100 Cadeaux to the Loa
Offer Cadeaux to all life altars
Defeat Avery Marx
Shoot down all helicopters in Gardelle County Jail, Texas.
Find the second Violator
Find an Accumulator
Find a piece of the L'Eclipser
Find and take a Dark Soul
Open a Soul Gate
Defeat Legion and stop the apocalypse
Fail to stop Legion from bringing about the apocalypse
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.