Here is the full list of all 13 Clocker achievements worth 1,000 gamerscore. It takes around 2-3 hours to unlock all of the achievements on Xbox One.
Reach the end.
Student walks out safely.
Discover the secret of the undercover.
Time‘s never meaningless; time never fades away.
Keep the student from doing duty work.
Parrot talks pigeon language.
The boy watches the crash of the toy plane and the toy car unexpectedly.
Make the cleaner mad.
Accident happened when fixing the light.
Ship sails without cargo on board.
Student shoots with Bicycle Kick.
Cat runs away with no fish.
Thief dodges the punch.