Here is the full list of all 17 Castle Clicker achievements.
Start a New New Game Plus
Reach Level 200
Reach New Game Plus 5
Perform a Progress Reset
Find 10 Artifacts
Use the Big Red Button
Use a Super Mine Stone
Build a Paper Refinery
Use one of each Time Stone
Collect a Level 7 Daily Stone
Build an Airship
Reach Level 50
Start a New Game Plus
Build a Grand Casino
Complete a Guild
Reach Level 10
Complete the Tutorial