Here is the full list of all 22 12 Labours of Hercules achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Collect 100 golds.
Earn every achievement!
Collect 30+ resources using the «More resources!» bonus.
Beat your own Gold record.
Complete all mini-games perfectly!
Complete all levels in Gold time!
Complete a level in Gold time without using any bonuses.
Four servants at the house.
Use the «Stop the clock!» bonus three times in one level.
Use the same bonus again before its time runs out.
Collect 100 supplies.
Use 2 different bonuses together.
Complete 20 levels in Gold time!
Call upon 5 characters.
Call upon any 3 servants using the «Work faster!» bonus.
Complete a mini-game without losing any health points.
Tap 100 times anywhere on the screen while playing a single level.
Servant must collect one resource once all objectives have been met.
Call upon 3 different characters simultaneously.
Call upon any 4 servants with the «Run faster!» bonus.
Complete 3 levels in Gold time.
Complete 2 levels in Gold time with at least 10 seconds remaining.