Here is the full list of all 83 ADOM (Ancient Domains Of Mystery) achievements.
Score 50 million points.
Unlock every other achievement.
Complete the game within 10000 turns.
Commit the ultimate sacrifice to stop Chaos.
Become an avatar of Balance.
Slay the Chaos God during your crusade of Order.
Slay the Chaos God during your crusade for Balance.
Achieve the Ordinary Chaos God ending.
Retrieve the Chaos Sceptre in the most straightforward way possible, then leave the game.
Ursurp the throne of Chaos.
Become an avatar of Order.
Level up to level 50 in the Small Cave without visiting any other locations.
Level up to 50 in the wilderness without entering any locations.
Complete the game within 20000 turns.
Complete the game before rising above experience level 20.
Win the game with a character obtained by letting fate decide.
Complete the game without visiting any locations except the Caverns of Chaos and the Tower of Eternal Flames.
Win without using herbs, plants or any related skills.
Unlock 80% of all achievements.
Win without casting spells.
Complete the game within 40000 turns.
Obtain the Trident of the Red Rooster.
Gain level 15 in unarmed fighting.
Kill Filk.
Enter the bug-infested temple.
Dual-wield Needle and Sting.
Steal an item worth at least 6,666 gold pieces.
Dealt successfully with the demented ratling.
Win without ever changing alignment.
Score 25 million points.
Successfully rob the Casino shop.
Finish Riurry's quest.
Reach level 100 of the infinite dungeon.
Rise to experience level 50.
Successfully learn the 'Wish' spell from a tome.
Get the Weird Tome.
Buy stuff with a total value of 90,169 gold pieces in shops with one character.
Rise to experience level 40.
Get the minotaur axe.
Complete the game after having killed 95% of every type of non-unique monster in the game.
Score 10 million points.
Leave the Drakalor Chain after having closed the gate.
Close the Chaos gate.
Obtain the Mana Orb.
Obtain the Earth Orb.
Rise to experience level 30.
Obtain the Air Orb.
Complete the cat quest.
Obtain the Fire Orb.
Visit every town in Ancardia.
Unlock 40% of all achievements.
Obtain the Water Orb.
Be crowned as a champion of Balance.
Save Khelavaster.
Mix a potion of gain attributes.
Restore a character from permadeath.
Be crowned as a champion of Chaos.
Pick up the literacy skill during a game.
Be crowned as a champion of Order.
Free Griff's Soul.
Kill the lord of the mummies.
Went through Living Forest not attacking any trees.
Become the champion of the arena.
Have Fate smile upon you.
Successfully rob a shop without resorting to violence.
Pass through the Small Cave in less than 200 turns.
Find a strange item.
Tame an animal.
Killed monster with alchemical fireball.
Offer peace to a monster.
Gain level 5 in unarmed fighting.
Recover from being doomed.
Rise to experience level 20.
Get a wish from a pool.
Reach level 50 of the infinite dungeon.
Slay a dragon. Easy, right?
Die your first death.
Find a way to cure Yrrigs.
Kill an enemy with poison.
Save a puppy from certain doom.
Rise to experience level 10.
Rise to experience level 5.
Locate and enter the town of Terinyo.