Full list of all 37 Ziggurat achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox One.
Win a game on hard difficulty
Die 50 times
Win the game without using any level up
Win a game with every character (any difficulty)
Unlock all perks
Unlock all weapons,perks,lore & character classes
Unlock all magic weapons
Die 25 times
Reach floor 2 without getting damaged
Unlock all character classes
Win the game with Argo on Normal difficulty in less than 45 minutes
Unlock all amulets
Die 10 times
Died after killing the boss
Kill 5000 enemies
Break 2,000 things (Barrels, tombs...)
You died on a danger room
Find all lore scrolls
Unlock all enemies in the bestiary
Kill a Lost soul with the Skull of Xanatos
Kill all enemies at least once (including bosses)
Kill 500 enemies affected with elemental states
Get to floor 3 using only the magic wand (Apprentice class only)
Survive the Ziggurat
You met your match in the final showdown
Kill 1000 enemies
Master a perk by getting it to level 5
Reach experience level 15
Reach experience level 10
Find a secret room
Find your first amulet
Complete a challenge room
Equip a weapon of every kind
You reached 3rd floor. Now the real lesson begins.
Reach experience level 5
Get your first level up
You've been ambushed in a treasure room