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