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.