| Achievement | How to unlock
|
|---|
| - Complete "Extending Platform" without using the rope.
|
- Boiler Room Perfectionist
| - Complete all of the boiler room levels.
|
| - Defeat the guardian of the clocktower.
|
- Clock Tower Perfectionist
| - Complete all of the clocktower levels.
|
| - Complete all of the dungeon levels.
|
| - Complete "Spike Dodging" without using the teleporter.
|
| - Complete all of the gallery levels.
|
| - Complete all of the graveyard levels.
|
| - Complete a time travel level.
|
|
| - Complete "In One Way..." in less than 16 seconds.
|
| - Complete a level containing Shmu.
|
| - Complete all the CoOp levels.
|
