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.
Earn every achievement!
Complete all mini-games perfectly!
Call upon 5 characters.
Complete a level in Gold time without using any bonuses.
Use 2 different bonuses together.
Beat your own Gold record.
Complete all levels in Gold time!
Four servants at the house.
Collect 100 golds.
Use the same bonus again before its time runs out.
Collect 30+ resources using the «More resources!» bonus.
Call upon any 3 servants using the «Work faster!» bonus.
Use the «Stop the clock!» bonus three times in one level.
Collect 100 supplies.
Complete a mini-game without losing any health points.
Complete 20 levels in Gold time!
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.