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