Here is the full list of all 33 Oniken: Unstoppable Edition trophies - there are 8 bronze, 21 silver, 3 gold and 1 platinum.
Collect all trophies
Clear Boss Rush Mode
Clear Hardcore Mode
Clear Mission 5 in under 5:00
Clear Mission 2 in under 3:00
Clear Mission 4 in under 3:40
Clear Mission 3 in under 2:30
Clear Mission 6 without dying
Clear Mission 6 in under 5:10
Clear Mission 5 without dying
Clear Mission 1 in under 2:30
Kill 500 enemies.
Clear Mission 2 without dying
Clear Mission 3 without dying
Find the secret in Mission 4
Find the secret in Mission 2
Rescue all prisoners in Special Mission 7
Find the secret in Special Mission 7
Clear Mission 6
Kill Hackan on Mission 5 with only your sword
Clear Mission 5
Find the secret in Mission 5
Clear Mission 4 without dying
Clear Mission 4
Clear Mission 3
Kill 100 enemies.
Find the secret in Mission 3
Clear Mission 2
Kill 50 enemies.
Clear Mission 1
Clear Mission 1 without dying
Find the secret in Mission 1
Kill your first enemy.