Here is the full list of all 24 12 Labours of Hercules X: Greed for Speed achievements.
Stop the clock with a bonus after completing a level.
Remove 4 obstacles using the 'Work Faster!' bonus!
Finish level in Expert Mode and Gold Time having 3 seconds left!
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!
Leave an untouched bonus pill.
Complete 20 levels in Gold time!
Activate 3 any boost pills at the same time.
Use 2 different bonuses together.
Activate bonus and boost of the same type together.
Use the same bonus again before its time runs out.
Call upon 3 different characters simultaneously.
Complete a level in Gold time without using any bonuses.
Workers must collect one resource after all the objectives are met.
Complete 5 levels in Gold time.
Build 3 obelisks on a single level.
Activate 2 boosts of the same type together.