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