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