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