Full list of all 50 Venetica (EU) achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
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
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
Dig out all treasures
Learn the strongest skill connected to the fifth Twilight skill
All Pale Hearts collected
Find a special lookout point in the Arsenal District
Level 32 reached
Learn the strongest Spear skill
Learn the strongest Hammer skill
All enemies in the arena defeated
Chapter 3 completed
Earn 2000 reputation points
Three rogue quarters cleared
Complete 50 quests in one game
All regular quests of the Net of the Mask accomplished
Learn the strongest Sword skill
Learn the strongest Scythe skill
Learn the strongest skill connected to the fourth Twilight skill
Learn the strongest skill connected to the third Twilight skill
Find a special lookout point in the Outer City
Blocking Training successfully accomplished
Gain 1200 experience by cracking locks
Plate mail acquired
Chapter 2 completed
Collect all medicine parcels without killing the guards
Level 20 reached
Roof Beasts in Outer and Inner City defeated
Exchange the innkeeper of the Inner City
Destroy 100 vases
One roof beast area cleared
Learn the strongest skill connected to the second Twilight skill
One rogue quarter cleared
Become a member of the Net of the Mask
Defeat the Gripper Queen
Chapter 1 completed
Learn the strongest skill connected to the first Twilight skill
Combined Attacks training successfully accomplished
Have the Moonblade repaired
Leather mail acquired
Rolling training successfully accomplished
Training in village successfully accomplished