Full list of all 39 Fight the Horror achievements worth 1,000 gamerscore.
Unlock all 3 endings in any story
Complete 'The 8 Immortal Restaurant'
Complete 'The Big Fire of Church of St. Paul'
Complete 'The Devil Casino'
Complete 'The One-armed Commander'
Complete 'Break through Hell'
Complete 'Rest in Peace'
Complete 'The Fake Gods'
Get a hint note from the counter
Make it back to the safe house
Win a gold coin from the big small gambling table
Make a wish with a gold coin
Burn an item for spirit money
Spend spirit money on character ability
Open secret passage to the sheet-metal house
Collect any liquid with a container
Build any trap
Perform any sacrifice
Perform any burial
Synthesize any item
Synthesize a weapon of a monster
Synthesize a level 2 synthetic item of 'Human' 'Beast' 'Spirit' attribute
Synthesize a level 3 synthetic item of 'Human' attribute
Synthesize a level 3 synthetic item of 'Beast' attribute
Synthesize a level 3 synthetic item of 'Spirit' attribute
Use 'Wooden Fish Drum' to revive a player
Use 'Lotus Flower' to increase the attack power of the next hit
Use 'Hu' to have an x-ray vision of story items in the world
Use 'Banker Sign' to temporarily increase attack power
Use 'Letter Opener' to exchange health for a temporary increase of attack power
Use 'Bounty Letter' to temporarily double the spirit money return from killing monsters
Use 'Fresh Produce of 5 Kinds' to earn spirit money
Use 'Toiletries' to get chips in the water
Use 'Arsenic Trioxide' to turn 'Red Chip' nearby into 'Poison Red Chip'
Use 'Treaty of Wanghia' to forcibly collect nearby players' spirit money
Use 'Red Thread of Marriage' to have an x-ray vision of teammates in the world
Use 'Forbidden Fruit'-like key item to drive nearby monsters away
Defeat the two monsters in the arena at midnight