Here is the full list of all 26 The Incredible Adventures of Van Helsing achievements worth 1,000 gamerscore.
Kill 50 enemies.
Kill 500 enemies.
Kill 5000 enemies.
Visit 3 different locations.
Visit all locations.
Loot 50 chests.
Loot 100 chests.
Loot 200 chests.
Visit an Ink location.
Visit 7 Ink locations.
Complete the Start the Generator quest.
Complete the Weapon Shipment quest.
Complete the Orichalcum Shipment quest.
Gain entrance to the village of Markovna with the help of Lady Katarina.
Kill a chicken with a sword.
Let Lady Katarina kill a Boss.
Swim through 20 garbage containers.
Escort the Traveling Merchant to the Romany Camp with him taking no damage.
Solve every side quest in Markovna.
Solve every side quest in the Secret Lair.
Defend the Secret Lair without a single enemy getting in.
Finish the Salvage Mission quest without setting off any explosives.
Eliminate Fulmigati's Doomsday Machine.
Answer all the Riddle Wisps correctly (so you don't have to fight them).
Take 20 pieces of loot from the Domovoy on the Gorgon Pass.
Finish the game with a Hardcore character.