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
Open the second chest
Start the game as a champion
Don't do anything for 10 seconds
Open the first chest
Start the game as a bandit
Meet the friendly NPC
Successfully evade an attack
Start the game as a shamaness
Find some gold in the chest
Read the book
Drink from the pool
Find some gold
Find some flares
Reach the 4th floor
Reach the 5th floor
Reach the 3rd floor
Reach the 6th floor
Reach the 2nd floor