Here is the full list of all 22 The Order: 1886 trophies - there are 14 silver, 7 gold and 1 platinum.
Collect all Trophies
Kill an enemy with every weapon
Find all inspect items
Inspect all photographs and documents
Stun an enemy 30 times with the M2 ‘Falchion'
Inspect all newspapers
Kill 5 enemies with a headshot during Blacksight
Collect all phonograph cylinders
Inspect all objects
Kill 25 enemies during Blacksight
Kill 25 enemies without aiming
Incinerate 15 enemies
Shoot an airborne grenade during Blacksight
Detonate 10 powder kegs
Kill 75 enemies with pistols
Kill 15 enemies with melee attacks
Complete the game (any difficulty)
Kill 10 Lycans
Kill 100 enemies with a headshot
Kill 7 enemies with silent takedowns
Kill 40 enemies with science weapons
Kill 3 enemies with a single explosion