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