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