Full list of all 118 Castle Explorer achievements.
The base game contains 74 achievements, and there are 3 DLC packs containing 44 achievements.
Survive and escape the castle with gamemode The Dark Below and key enabled
Escape from the castle with Maleriona (Gamemode key enabled)
Escape from the castle with Kobberknight (Gamemode key enabled)
Escape from the castle with Stillstreak (Gamemode key enabled)
Escape from the castle with Dazzaxath (Gamemode key enabled)
Escape from the castle with Dwyght (Gamemode key enabled)
Escape from the castle with Gretnas (Gamemode key enabled)
Escape from the castle with Romulus (Gamemode key enabled)
Escape from the castle with Gruddaes (Gamemode key enabled)
Escape from the castle with Urafeus (Gamemode key enabled)
Escape from the castle with Buster (Gamemode key enabled)
Escape from the castle with Maleriona and her dragon (Gamemode key enabled)
Get Furious as Gruddaes
Wake the undead
Meet the angel of light
Find a dragon corpse
Find the mystic magic gem
Find an escape door in the dark below
Meet the worm rear
Find the gate key
Find the magic ring
Find a sack
Find the skeleton key
Find the legendary armour
Find and equip boots
Use the dead helmet
Find the rare lucky ring
Find the mighty magic sword
Be saved by orb of hope
Get a curse bite
Get eaten by a door
Use a portal
Meet a banshee
Gamble with the gambler
Defeat the snake and loot from the gold cave
Gaze at an ooze egg
Go in panic
Die by the shadows
Buy an item from the trader
Find the lost wizard amulet
Become a piggy
Fall into the below
Get surprised by a volatile ooze
Escape from the castle with Valtiel (Gamemode key enabled)