Here is the full list of all 60 Ziggurat 2 achievements.
Get defeated by a trap
Defeat a Lost Soul with the Skull of Xanatos
Unlock all creatures in the campaign bestiary
Defeat 15 enemies in a single use of Sacrifice
Reach mastery level 10 in a weapon, hero or amulet
Completely refill your Mana pools in a single use of Shell
Unlock all heroes in the campaign
Complete Chapter 9
Defeat 5 enemies in a single use of Shroud
Defeat 10,000 enemies
Use Shield Bash on a Vanguard
Complete Chapter 8
Reach Experience Level 20 in a run
Perform 4 Oaths in the same run
Play the Daily Challenge and reach Floor 2 or better
Purchase all items offered in a shop
Complete Chapter 7
Carry 3 main weapons of the same element
Attract 20 or more items in a single use of Syphon
Defeat 5,000 enemies
Complete Chapter 6
Drink from 20 Fountains
Complete Chapter 5
Improve all skills of the same category in the Laboratory
Complete Chapter 4
Complete Chapter 3
Defeat a Guardian without suffering damage
Complete Chapter 2
Defeat 1,000 enemies
Win all special fights
Win a Chained Chest challenge
Complete Chapter 1
Reach Experience Level 10 in a run
Improve a weapon using the Anvil
Fail a Quest
Get defeated by a Guardian
Win a fight with an active modifier
Improve a skill in the Laboratory
Complete a Quest
Defeat a Guardian
Finish the Tutorial
Find all pieces of the Master Key
Reach Experience Level 2 in a run
Unlock all weapons in the campaign
Unlock all amulets in the campaign
Unlock all perks (excluding hero perks) in the campaign
Reach Floor 10 in the Infinite Dungeon
Win the Ziggurat Trial in Classic Modes
Complete 60 waves in the Gauntlet
Reach Experience Level 30 in a run
Win a Quest without using level ups
Win a Quest using only your Wand
Complete a floor without using the Dash or the Hero skill
Push 20 enemies or more in a single Shove
Win a fight without firing a single shot
Defeat 5 enemies in a single use of Vault
Hit 8 enemies with a single use of Flask
Defeat 10 enemies with a single use of Blaze
Beat the Ziggurat Trial in Master difficulty or higher
Extend the duration of Trance over 15 seconds