Completed a time travel level.
Completed "In One Way..." in less than 16 seconds.
Completed a level containing Shmu.
Completed all the CoOp levels.
Completed "Spike Dodging" without using the teleporter.
Completed "Extending Platform" without using the rope.
Defeated the guardian of the clocktower.
Completed all of the dungeon levels.
Completed all of the boiler room levels.
Completed all of the gallery levels.
Completed all of the graveyard levels.
Completed all of the clocktower levels.
