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