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