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