Found every Collectible.

Earned all of the wearables in the Wardrobe.

Beat your previous best score on a level.

Completed every level in Autumn.

Completed every level in Winter.

Become registered Teleposters.

Completed every level in Summer.

Completed the first week of Summer.

Found a Collectible.

Completed an Overtime Shift for Bonus Pay.

Earned Postmaster on every level in the calendar.

Earned Postmaster on all Autumn levels.

Earned Postmaster on every Overtime Shift.

Earned Postmaster on all Summer levels.

Earned Postmaster on all Winter levels.

Earned half of the wearables in the Wardrobe.

Completed all Challenges, in all 3 courses of the Telepost Tournament.

Completed all 3 courses of the Telepost Tournament.

Placed 1st in all 3 courses of the Telepost Tournament.

Placed 1st with all Challenges active, in all 3 courses of the Telepost Tournament.