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