Here is the full list of all 21 Castle of no Escape 2 achievements.
Watch 100 enemies die from traps
Collect the false sword
Complete the game as a guardian
Allow the phantom to steal 10,000 gold
Don't pick up an armor
Complete the game as a champion
Complete the game as a shamaness
Complete the game as a bandit
Complete the game with no damage
Play more than 10 hours
Complete the game as a huntress
Always leave any room in 30 seconds
Don't use the crystal orbs
Don't pick up a shield
Don't kill any monsters (including the fallen hero)
Complete the game as a cardinal
Collect all the gems and a sword, then use an orb
Watch 50 enemies die from traps
Exactly this
Collect 1,000,000 gold (stackable)
Upgrade an armor with emblems