Take both paths to the house

Completed all chapters on Hard difficulty or higher

Unlocked all upgraded Knack characters

Win a match of Boulder Avalanche or War without letting the enemy touch your door.

Follow all of Napoleon’s directions in the level editor tutorial.

Defeated Gundahar's Robot using Massive Knack

Defeated the Giant Orb using Dark Knack

Completed a chapter only using Super Moves on enemies and without dying once

Landed 100 hits using the Dash Attack

Cleared a chapter as Vampire Knack

Defeated 8 or more enemies with a single Super Move

Defeated 5 gunships by throwing cars

Collected the clear crystals in Chapter 4-2 without being detected by the security robots