Complete the indicated task to unlock the corresponding challenge bonus.

Bonus	How to unlock
Achiever	Get a High Score in every stage..
Antagonist	Play a game in VS Mode.
Astronomer	Obtain 50 Stars..
Big Bada Boom	Score 20,000 points in one Sonar Ping.
Blast Master	Place more than 1,500 Sonar Pings in one stage.
Boss Buster	Defeat all bosses.
Cats	Finish in a tie in VS Mode.
Childlike Dreamer	Clear 10 different stages without dying in World Map Mode.
Collector	Collect 500 Score Items.
Completionist	Unlock 100 Challenges.
Conductor	Keep a full music track going for 1 minute.
Delta Surfer	Collect 50 Dream Points in current stock.
Dream Disciple	Unlock 25 Challenges.
Dream Knight	Unlock 50 Challenges.
Dream Master	Complete all 55 stages on World Map Mode.
Dream Warrior	Clear a stage without collecting any HP items.
Drowsy	Complete 10 stages on World Map Mode.
Edible	Collect 100 HP Items.
Erebus	Clear all 5 ranks of the Purity stages in a row.
Finder	Unlock another main route.
Flash Bang	Clear Time Attack Mode in under 60 seconds.
Glutton	Clear a stage while collecting all HP items.
GOOOOOOAL!	Clear a stage while collecting all Score items.
Hunter Gatherer	Collect 200 Dream Points in World Map Mode.
Insomniac	Complete 30 stages on World Map Mode.
Know The Ropes	View all four Demos.
Loner	Complete a Stand Alone stage.
Micro Boss	Defeat 10 Mini-Bosses.
Minimalist	Clear a stage without setting off a Sonar Ping.
Narcoleptic	Complete 20 stages on World Map Mode.
None Shall Pass	Complete every enemy in a stage.
Pristine	Clear a stage without taking any damage.
Promise Maker	Unlock 10 Secret Challenges.
Racer	Clear 3 stages within 10 minutes on World Map Mode.
She Loves Me...	Collect every other Score item in a stage.
Speed Freak	Beat a Mini-Boss within 60 seconds.
Square Eyes	Draw a 5x5 square with Sonar.
Stocker	Set off 10,000 Sonic Pings.
Take Five	Set off a Sonar Ping each measure for 5 measures.
Traveler	Travel down 100 dream pathways.
Vagrant	Move 10 times before selecting a stage.
Wanderer	Score over 2,500,000 points in Free Play Mode.
Warrior	Defeat 1,000 enemies.
What, Me Score?	Clear a stage without collecting any Score items.
You Are Winner	Win 10 games in VS Mode.