Enter the "Options" menu and select the "Cheat" option, then activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION - CHEAT CODE
Alternate costumes - MONSTER
Five Battle Arenas - MISSY
Eight Characters - OSCAR
All Story mode levels and characters - SUMO
All television clips in the store - RUFUS
Complete Story mode to unlock the final level.
Unlock the following characters by performing the corresponding tasks:
CHARACTER - HOW TO UNLOCK
Aku - Purchase in Store for 1500 points
Blossom - Beat Kids Next Door Theme in Story Mode
Bubbles - Beat Kids Next Door Theme in Story Mode
Captain K'Nuckles - Meet him in Stage 1 of FlapJack Theme in Story Mode
Captain Planet - Beat Samurai Jack Theme in Story Mode
Father - Beat Story Mode
Grim - Beat Dexter's Lab Theme in Story Mode
Him - Purchase in Store for 1200 points
Hoss Delgado - Purchase in Store for 1200 points
Johnny Bravo - Purchase in Store for 1500 points
Kevin 11 - Purchase in Store for 1200 points
Mojo Jojo - Beat Story Mode
Monkey - Save him in Stage 1 of Dexter's Lab Theme in Story Mode
Samurai Jack - Beat him in Stage 1 of Samurai Jack Theme in Story Mode
The Scotsman - Purchase in Store for 1200 points
Toiletnator - Purchase in Store for 1200 points
Vilgax - Beat Story Mode
Young Ben - Purchase in Store for 1500 points
Chowder Fan - Finish the Chowder theme in story mode.
Ben 10 Fan - Finish the Ben 10 theme in story mode.
Flapjack Fan - Finish the Flapjack theme in story mode.
KND Fan - Finish the KND theme in story mode.
PPG Fan - Finish the Powerpuff Girls theme in story mode.
Foster’s Fan - Finished the Foster’s Home theme in story mode.
Dexter’s Lab Fan - Finish the Dexter’s Lab theme in story mode.
Billy & Mandy Fan - Finish the Grim Adventure’s theme in story mode.
Samurai Jack Fan - Finish the Samurai Jack theme in story mode.
Frenemies - Defeat Kevin boss using Ben without dying.
Samurai’s Journey - Defeat Aku boss using Jack without dying.
“Yes!” - Activate Ben’s synergy assist.
It’s Hero Time! - Win the Bellwood fight in story mode with Ben or Young Ben in under a minute.
Vengeance of Vilgax - Win five fights as Vilgax against Ben and Young Ben.
Ugly Finish - Score four consecutive knockouts using Kevin’s PTE.
Chicken Ball Z - Score four knockouts after using Billy and Mandy’s PTE.
Freedom!!! - Win the Toadblatt’s level in story mode with Grim in under two minutes.
Like a Hoss - Win the Endsville Cemetery level in story mode with Hoss Delgado without dying.
I am not your Boyfriend - Activate Panini’s assist while fighting against Chowder.
Adventure! - Win the first Flapjack Pier level in story mode with Flapjack and K’nuckles in under three minutes.
Dexo Robo 2000 - Score two knockouts using Dexter’s PTE.
What Does This Button Do? - Activate DeeDee’s assist while fighting against Dexter.
AH-ha-ha! AH-ha-HA ha-ha! - Activate Mandark’s assist while fighting against Dexter.
Dial M for Monkey - Win ten fights as Monkey in his alternate costume.
Way of the Samurai - Score five knockouts after activating Jack’s PTE.
Ninjas Beat Pirates - Win a fight as Jack in his alternate costume with Flapjack and K’nuckles as opponents.
Master of Darkness - Win five fights as Aku with Jack as an opponent.
Viking God of Rock - Score two consecutive knockouts with Aku’s synergy assist.
Meet My Beautiful Wife - Activate Scotsman's PTE and Peppermint Larry’s Assist in the same fight.
Go Mac Go - Win ten fights as Mac and Bloo in their alternate costumes.
S.E.C.T.O.R. V. - Complete Kids Next Door Platforming in under five minutes.
Father is Number One - Win five fights as Father with Numbuh One as an opponent.
Flame Broiled - Score a knockout using Father’s synergy assis
Flushed - Score two simultaneous knockouts using Toiletnator’s PTE.
A great Big Hug - Activate Bubbles’ synergy assist.
Not Powerpuff, Rowdyruff! - Win a fight with each Powerpuff in alternate costume against a Powerpuff in normal outfit.
Planet of the Ape - Win ten fights as Mojo Jojo against a Powerpuff girl.
Him Diddle Riddle - Win ten fights as Him against a Powerpuff girl.
P90 Him - Win nine fights as Him in his alternate costume.
The power is yours! - Score three simultaneous knockouts using Captain Planet’s PTE.
Disco Fever - Score two consecutive knockouts using Captain Planet’s synergy assist.
Do the Monkey - Activate Johnny’s synergy assist.
Couch Potato - Beat Story Mode.
No Big Deal - Beat Story Mode on the Hard difficulty setting.
Big Money! - Collect 1000 points from a single level.
It’s over 9000! - Collect 9001 points.
Professional Hero - Defeat the Final boss without dying.
Cartoon Collector - Unlock all characters.
Costume Collector - Unlock all costumes.
Unreal Estate Collector - Unlock all arenas.
Punchtime Explosion Pro - Earn all Bronze, Silver, and Gold trophies.