Here is the full list of all 33 Equin: The Lantern achievements.
Clear Floor 10
Disarm and open a shadow chest
Go back and defeat a Killer Plant: Terror of your early games!
Kill the Troll boss
Allow equipped wooden gear to burn away by fire
Visit your first guild
Eat some poisoned mushrooms. Sorry!
Eliminate a champ class monster
Visit your first shop
Win the game as a Warrior
Win the game as a Thief
Win the game as a Wizard
Amass $5000 in cash
Clear Floor 20
Clear Floor 30
Clear Floor 40
Reach Floor 50
Rest at a Bonf- ah.. CAMPFIRE!
Equip at least 3 of the special hero gear and visit their hidden camp
Catch a rare breed of fish
Steal an item from an enemy
Equip 4 pieces of cursed gear and eat bones off the dungeon floor
It's floor 50. Do you risk it all and try to kill the Lich or find the stairs to end the game?
Earn 10,000 points upon death
Kill the Ninja boss
Kill the Rift Fiend boss
Kill the Hell Hound boss
Kill the Golden Dragon boss
Fish the Water Dragon out of a pond and kill it
Locate a graveyard and kill a Ghost there
Locate a quiet floor and eliminate the Reaper
Win the game as a cleric
Win the game as a cultist. VERY HARD.