Here is the full list of all 45 Bloodstained: Ritual of the Night achievements worth 1,000 gamerscore.
Take in a large quantity of blood.
Bounce a certain chair repeatedly.
Master a weapon technique.
Reach level 50.
Eradicate the mistress of the deathly moon.
Consume 20 different recipes.
Eradicate the duke of high rollers.
Complete 30 quests.
Observe the rise of the castle's new master.
Earn at least 100,000G in total item sales.
Borrow 10 books.
Inherit the blade that demons fear.
Eradicate the skeletal demihorse.
Triumph over yourself.
Subdue the alchemist.
Break 1,000 candleholders.
Listen to the faerie's song.
Eradicate the bloodthirsty maiden.
Fulfill your promise to a friend.
Eradicate the netherdrake.
Eradicate the hypersonic hellraiser.
Eradicate the runaway train.
Eradicate the twin-headed dragon.
Slay 1,000 demons.
Open 100 chests.
Travel 42.195 kilometers.
Eradicate the iron marquess.
Eradicate the wrathful work of art.
Change your hairstyle.
Backstep, backstep, backstep. A lot.
Drive back the samurai.
Transmute items 10 times.
Eradicate the cause of the maelstrom.
Discovered a hidden breakable wall.
Absorb your first shard.
Unlock every other achievement.
Complete the map.
Complete the item list.
Complete the demon list.
Absorb every type of shard.
Jump kick 10 times without touching the ground.
Amass a fortune of at least 500,000 G.
Thank you, everyone, for your endless kindness and support.
Eradicate the king of demons.
Break down items into materials 10 times.