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