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