Here is the full list of all 26 Escape Dungeon 2 achievements.
Max out Health
Unlocked Goblin memories
Unlocked Mummy memories
Max out Attack
Max out Defense
Max out Skill Slots
Max out Skill Tiers
Unlocked Incubus memories
Unlocked Orc memories
Unlocked Cyclops memories
Max out Pre-Assigned Skill Slots
Unlocked Skeleton memories
Unlocked Lord Qaron memories
Unlocked Beast Qaron memories
Successfully escaped
Max out Crit. Rate
Unlocked Werewolf memories
Killed Beast Qaron for the first time
Discovered Lord Qaron's secret
Killed Lord Qaron for the first time
Reached the 31st floor
Max out Skill Selection Choices
Reached the 21st floor
Unlocked all Rat memories
Reached the 11st floor
Experience your first loop