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