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.
Earn every achievement!
Complete a level in Gold time without using any bonuses.
Complete all levels in Gold time!
Beat a Developer's Record 20 times!
Complete four bonus levels in Gold time!
Complete 20 levels in Gold time!
Find 5 or more hidden objects on a single level!
Build 3 obelisks on a single level.
Collect resources 100 times or more from respawn points.
Use the same bonus again before its time runs out.
Finish level in Expert Mode and Gold Time having 3 seconds left!
Remove 4 obstacles using the 'Work Faster!' bonus!
Activate the 'Run Faster!' bonus with a complete Hermes' Obelisk!
Activate bonus and boost of the same type together.
Use 2 different bonuses together.
Beat a Developer's Record 3 times!
Complete 5 levels in Gold time.
Leave an untouched bonus pill.
Find 5 puzzle pieces!
Workers must collect one resource after all the objectives are met.
Call upon 3 different characters simultaneously.
Activate 3 any boost pills at the same time.
Activate 2 boosts of the same type together.