Here is the full list of all 51 Venetica trophies - there are 42 bronze, 5 silver, 3 gold and 1 platinum.
Earn all Venetica trophies to unlock the platinum trophy
Quests of all guilds accomplished
All regular quests of the Hooded Wings accomplished
Become a member of the Hooded Wings
Play and complete the game the villainous way
All regular quests of the Order of the Holy Seal accomplished
Exchange the innkeeper of the Inner City
Training against many enemies successfully accomplished
Become a member of the Order of the Holy Seal
Game finished without consuming any healing items
Game completed
Play and complete the game the honorable way
Learn the strongest skill connected to the sixth Twilight skill
All Pale Hearts collected
Dig out all treasures
Level 32 reached
Earn 2000 reputation points
Learn the strongest Hammer skill
Learn the strongest Spear skill
Learn the strongest skill connected to the fifth Twilight skill
All enemies in the arena defeated
Chapter 3 completed
Learn the strongest skill connected to the fourth Twilight skill
Find a special lookout point in the Arsenal District
Complete 50 quests in one game
Three rogue quarters cleared
Roof Beasts in Outer and Inner City defeated
Gain 1200 experience by cracking locks
All regular quests of the Net of the Mask accomplished
Learn the strongest skill connected to the third Twilight skill
Chapter 2 completed
Level 20 reached
Collect all medicine parcels without killing the guards
One roof beast area cleared
Learn the strongest Sword skill
Learn the strongest Scythe skill
Find a special lookout point in the Outer City
Destroy 100 vases
Defeat the Gripper Queen
Learn the strongest skill connected to the second Twilight skill
Plate mail acquired
One rogue quarter cleared
Leather mail acquired
Become a member of the Net of the Mask
Blocking Training successfully accomplished
Chapter 1 completed
Learn the strongest skill connected to the first Twilight skill
Combined Attacks training successfully accomplished
Have the Moonblade repaired
Rolling training successfully accomplished
Training in village successfully accomplished