Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.
- Abridged: Complete "Extending Platform" without using the rope.
- Boiler Room Perfectionist: Complete all of the boiler room levels.
- Castle Reclaimed: Defeat the guardian of the clocktower.
- Clock Tower Perfectionist: Complete all of the clocktower levels.
- Dungeon Perfectionist: Complete all of the dungeon levels.
- Face The Fear: Complete "Spike Dodging" without using the teleporter.
- Gallery Perfectionist: Complete all of the gallery levels.
- Graveyard Perfectionist: Complete all of the graveyard levels.
- Master Of Time: Complete a time travel level.
- Ninja: Complete "In One Way..." in less than 16 seconds.
- Shmu Herder: Complete a level containing Shmu.
- Teamwork: Complete all the CoOp levels.