Here is the full list of all 40 Thronebreaker: The Witcher Tales achievements worth 1,000 gamerscore.
Find all golden chests.
Unlock all achievements.
Recruit Eyck into your army.
Finish the Thronebreaker campaign.
Read all spymaster letters.
Complete the main story line for Rivia.
Obtain all weapons.
Find an Easter Egg.
Collect 15 Treasure Maps.
Own at least one copy of each non-Reynard, non-Gascon unit.
Train your first Gascon Unit.
Train your first Raynard Unit.
Complete the main story line for Angren.
Defeat Gernichora.
Kill count Caldwell.
Fully upgrade your army camp.
Unlock all of Raynard's Buildings.
Unlock all of Gascon's Buildings.
Complete the main story line for Mahakam.
End a round with a score of over 300.
Kill 9 enemies simultaneously.
Recruit Barnabas Beckenbauer into your army.
Defeat Kelltulis the dragon.
Complete 20 Puzzles.
Pray at 10 Shrines.
Complete the main story line for Aedirn.
Recruit Isbel into your army.
Defeat Eldain.
Play 5 or more characters in one battle.
Recruit the dog into your army.
Recruit 200 Soldiers.
Complete the main story line for Lyria.
Obtain 10 trinkets.
Gather 5,000 wood throughout the game.
Kill the Manticore.
Earn 10,000 or more gold.
Use Meve to trigger allies' Loyal abilities 100 times.
Win a non-Puzzle Battle without any of your units being killed.
Win a non-Puzzle Battle with less than 10 damage taken in total.
Finish the Thronebreaker tutorial.