Here is the full list of all 54 Baldur's Gate 3 achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Complete the game in Honour mode.
Steal the Blood of Lathander from underneath Rosymorn Monastery.
Kill the Surgeon before he performs surgery on you in combat.
Claim your Throne of Blood: take control of the Netherbrain for Bhaal and break the world.
Find and summon the quasit Shovel. Or is her name... Fork? Maybe Basket?
Gift Shadowheart a night orchid - her favourite flower. Always knew she was a softie.
Defeat the Toll Collector without her using gold against you - excellent budgeting.
Coat the streets of Baldur's Gate in blood - become an Unholy Assassin of Bhaal.
Reign with terror: take control of the Netherbrain and bend the world to your will.
Make the ultimate sacrifice: become a mindflayer to defeat the Netherbrain.
Complete the game in Tactician mode.
Become Bhaal's ultimate weapon - become his Slayer.
Defeat Gortash in Wyrm's Rock without activating any traps.
Go on a date with Karlach - now that's playing with fire.
Craft an item in the Adamantine Forge.
Kill the Adamantine Golem without using the Forge Hammer.
Earn a hundred gold from playing sweet, sweet music in a single playthrough.
Finish the game (with a heartfelt 'thank you!'' from Larian Studios).
Save the day: kill the Netherbrain and destroy the Absolute tadpoles.
Save every tiefling refugee you can throughout the game in a single playthrough.
Kill the Red Dragon in the Upper City.
In the Wyrmway, wait until the dragon is midflight, then knock it out of the sky - KAPOW.
Read 100 different books in a single playthrough. Adventuring isn't just daring quests, you know.
Recruit a hireling. You can befriend them or use them as cannon-fodder - we won't judge.
Kill Orin while her cultists are performing their ritual chant.
Romance the Emperor.
Use one enemy as an improvised weapon against another.
Defeat twenty opponents while a party character is drunk in a single playthough - down them.
Multiclass into every class in one playthrough without asking Withers to change your character.
Pet Scratch and the Owlbear cub at the same time - the greatest joy an adventurer could ask for.
Rescue all the prisoners from the depths of Moonrise Towers in one playthrough.
Kill the Spider Matriarch before her eggs hatch - why do they have so many legs?
Kill a creature with falling damage.
Create three unique alchemical solutions in a single playthrough - bottoms up!
Break Wyll's Pact with Mizora.
Break out of prison after being arrested - aren't you daring?
Leave Act Two - Baldur's Gate is just over the horizon.
Defeat the Apostle of Myrkul before it consumes any Necromites.
Kill a character with an unarmed strike.
Dig up five buried chests in a single playthrough - treasure!
Play fetch with Scratch - the best boy in the Realms.
Ally with Voss against the Githyanki God-Queen. Good luck.
Let Astarion bite you - ouch.
Successfully use Detect Thoughts to pry into someone's thoughts.
Defeat Commander Zhalk in the Nautiloid.
Long Rest using only alcohol - a time-honoured dwarfish tradition.
Rescue Sazza from the Emerald Grove, Goblin Camp, and Moonrise Towers in one playthrough.
Complete ten background goals in a single playthrough - you are one with your character.
Stablise Gale's Netherse orb.
Leave Act One - for somewhere altogether darker.
Take four full long rests in a single playthrough - adventuring's tiring work.
Consume a parasite and unlocked a new power - is it meant to wriggle the whole way down?
Perform five attacks in one turn. Your enemies won't know what hit them (literally).
Take control of the Nautiloid and escape the hells.