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