Here is the full list of all 26 The Incredible Adventures of Van Helsing achievements worth 1,000 gamerscore.
You have eliminated Fulmigati's Doomsday Machine.
You have answered all the Riddle Wisps correctly.
You have visited all locations.
You have completed the Orichalcum Shipment quest.
You let Lady Katarina kill a boss.
You have solved every side quest in the Secret Lair.
You have visited an Ink location.
You have completed the Weapon Shipment quest.
You have killed 5000 enemies.
You have completed the Start the Generator quest.
You have swum through 20 garbage containers.
You have looted 200 chests.
You have solved every side quest in Markovna.
You have looted 100 chests.
You have killed a chicken with a sword.
You have killed 500 enemies.
You have looted 50 chests.
You have visited 3 different locations.
You have gained entrance to the village of Markovna with the help of Lady Katarina.
You have killed 50 enemies.
Visit 7 Ink locations.
Escort the Traveling Merchant to the Romany Camp with him taking no damage.
Defend the Secret Lair without a single enemy getting in.
Finish the Salvage Mission quest without setting off any explosives.
Take 20 pieces of loot from the Domovoy on the Gorgon Pass.
Finish the game with a Hardcore character.