Here is the full list of all 59 Ultimate ADOM - there are Caverns of Chaos achievements worth 1,000 gamerscore.
Learn at least 49 arcane skills, and nothing but arcane skills.
Achieve the maximum rank in each and every faction.
Won for the Church of Light.
Enter the Temple of the Frog.
Push an enemy into lava.
Reach level 50.
Slay a great red wyrm
Explore at least 20 dungeon levels in one game.
Explore at least 10 dungeon levels in one game.
Won for Rolf.
Experienced Hoarder
Kill at least 50 monsters in one game.
Achieve the maximum rank for the faction of Brannalbin.
Master every skill in five skill trees.
Butcher a corpse.
Enter the realm of the kobolds.
Graft six body parts.
Escape the big room.
Kill at least 500 monsters in one game.
Achieve the maximum rank for the faction of Gilah Nan’Dramoth.
Reach level 20
Acquire one artifact.
Graft three body parts.
Achieve the maximum rank for the faction of the Mad Minstrel.
Learn at least 20 spells in the course of one game.
Own six artifacts at once
Achieve the maximum rank in being unaligned.
Kill 200 enemies with spells in the course of one game.
Kill at least 100 monsters in one game.
Pass the first dungeon level without ever attacking any beings.
Killed the master of the maze.
Talk to a mysterious shade
Won without aligning with any faction.
Reach level 2
Achieve the maximum rank for the faction of the Church of Light.
Won for Gilah Nan’Dramoth.
Won for Nesera.
Switch bodies with another being
Achieve the maximum rank for the faction of Rolf.
Slay Farluffel, the infamous kobold chieftain.
Reach level 100.
Reach level 5.
Die.
Attach a rune to an item.
Attach 20 runes to items in the course of one game.
Attach 10 runes to items in the course of one game.
Achieve the maximum rank for the faction of Andor Drakon.
Master every skill in one skill tree.
Master every skill in three skill trees.
Kill at least 20 monsters in one game.
Kill 200 enemies in ranged combat in the course of one game.
Won for the Mad Minstrel.
Explore at least 5 dungeon levels in one game.
Acquire a Scythe of Malice.
Won for Andor Drakon
Won for all factions and for your own reasons.
Won for Brannalbin.
Achieve the maximum rank for the faction of Nesera.