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!
Complete all levels in Gold time!
Earn every achievement!
Use the «Stop the clock!» bonus three times in one level.
Complete 20 levels in Gold time!
Collect 100 golds.
Collect 30+ resources using the «More resources!» bonus.
Four servants at the house.
Collect 100 supplies.
Call upon 5 characters.
Beat your own Gold record.
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.
Complete a mini-game without losing any health points.
Call upon any 4 servants with the «Run faster!» bonus.
Call upon 3 different characters simultaneously.
Complete a level in Gold time without using any bonuses.
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.
Complete 2 levels in Gold time with at least 10 seconds remaining.