As Propeller Knight, defeat 2 or more foes without touching the ground.
As Treasure Knight, win the match by defeating a foe with a bouncing diamond that you popped.
See 20 different modes in Chester's Choice.
Win Sudden Death 5 times.
As Specter Knight, use a Dash Slash to win by dunking a foe into lava or a pit that you would've fallen into.
As Plague Knight, defeat multiple foes by hurtling through them with a single Spin Burst.