Here is the full list of all 24 12 Labours of Hercules VII: Fleecing the Fleece (Platinum Edition) achievements.
Call upon 3 different characters simultaneously
Workers must collect one resource after all the objectives are met.
Remove 4 obstacles using the 'Work Faster!' bonus!
Use the same bonus again before its time runs out
Collect 100 resources of any kind with Demeter's Obelisk!
Complete four bonus levels in Gold time!
Find 5 puzzle pieces!
Find 5 or more hidden objects on a single level!
Activate the 'Run Faster!' bonus with a complete Hermes' Obelisk!
Beat a Developer's Record 3 times!
Beat a Developer's Record 20 times!
Collect resources 100 times or more from respawn points.
Earn every achievement!
Complete all levels in Gold time!
Complete the super-bonus level in Gold time!
Complete 20 levels in Gold time!
Collect 100 golds
Use 2 different bonuses together
Call upon 5 characters
Complete a level in Gold time without using any bonuses
Complete 5 levels in Gold time
Build 3 obelisks on a single level.
Finish level in Expert Mode and Gold Time having 3 seconds left!
Collect 5 more resources than the objective requires