Here is the full list of all 20 Adventures of Megara: Antigone and the Living Toys achievements.
Repair 10 bridges
Defeat 10 tin warriors
Activate 3 portals
Find 10 hidden objects
Get 5 achievements.
Buy 5 items
Put on 5 items from the same set
Chase the windup mice away for 100 times
Let the windup mice eat 50 units of resources
Send 3 or more characters for work.
Solve the Puzzle-of-the-century with a minimal number of rotations
Complete level 14 and activate 2 columns
Complete 35 levels at 3 stars each.
Beat the developer's record 5 times
Leave 3 or more petrified statues on a level
Activate the hourglasses 10 times
Complete the bonus level
Complete the bonus level at 3 stars.
Beat the developer's record on the bonus level
Complete 4 bonus levels.