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