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!
Collect 100 golds.
Four servants at the house.
Use the «Stop the clock!» bonus three times in one level.
Complete a mini-game without losing any health points.
Complete 20 levels in Gold time!
Collect 30+ resources using the «More resources!» bonus.
Use the same bonus again before its time runs out.
Use 2 different bonuses together.
Collect 100 supplies.
Call upon 5 characters.
Call upon any 3 servants using the «Work faster!» bonus.
Tap 100 times anywhere on the screen while playing a single level.
Beat your own Gold record.
Complete a level in Gold time without using any bonuses.
Call upon any 4 servants with the «Run faster!» bonus.
Call upon 3 different characters simultaneously.
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.