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