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