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