Full list of all 20 Castle of no Escape (Windows) achievements worth 3,000 gamerscore.
The base game contains 10 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 2,000 Gamerscore.
Find and use an orb
Try and fail to use a crystal orb
Start the game as a bandit
Start the game as a shamaness
Meet the friendly NPC
Successfully evade an attack
Open the second chest
Open the first chest
Don't do anything for 10 seconds
Start the game as a champion
Drink from the pool
Find some flares
Find some gold in the chest
Find some gold
Read the book
Reach the 6th floor
Reach the 5th floor
Reach the 4th floor
Reach the 3rd floor
Reach the 2nd floor