Dragon Ball Z: Supersonic Warriors 2 cheats and cheat codes for Nintendo DS

Unlock Characters:
Unlock Android #16 & #17: Finish "16's Agitation" stage in Android #18's story
Unlock Android #18: Finish "Differences in Experience" stage in Krillin's story 
Unlock Babidi: Finish "Evil Discovered" stage in Vegeta's story line
Unlock Bardock: Finish "Fateful Reunion" stage in Goku's story
Unlock Broly: Finish "Legends of Devil!" stage in Goku's story. 
Unlock Buu: Finish "Super Buu Has Emerged!" stage in Gotenks' story 
Unlock Cell: Finish "Body: Successful!" stage in Cell Finish 's story 
Unlock Cell 2: Finish "18, Activate" stage in Dr. Gero's story
Unlock Cell Jr: Finish "Cell Jr." stage in Cell's (Second Form) story.
Unlock Cooler: Finish "A Battle of Blood Relations" stage in Frieza's story
Unlock Dabura: Finish the "The Gate to the Other World" stage in Buu's story
Unlock Dende: Finish the "Cooler's Armored Squad" stage in Piccolo's story
Unlock Dr. Gero: Finish the "Ambition" stage in Gohan's story
Unlock Frieza: Finish the "Enraged Warriors" stage in Goku's story
Unlock Ginyu: Finish the "Battle of Namek" stage in Vegeta's story
Unlock Gohan: Finish the "Cell Game" stage in Kid Gohan's story
Unlock Gohan: Finish the "Golden Warrior" stage in Kid Gohan's story
Unlock Goku: Finish the "Showdown: Core/Cooler" stage in Goku's story
Unlock Gotenks: Finish the "Broken Door" stage in Gotenks'story.
Unlock Hercule: Finish the "Best Friend" stage in Buu's story
Unlock Mecha Frieza: Finish "Time in the Other World" stage in Frieza's story 
Unlock Metal Cooler: Finish the "Big Gette Star" stage in Cooler's story
Unlock Shenron: Finish the "That Hurts, Shenron!" stage in Ginyu's story
Unlock Super Buu: Finish the "Best Friend" stage in Buu's story
Unlock Tien & Yamcha: Finish "Revived! The Ginyu Force" stage in Krillin's 
Unlock Trunks: Finish the "Time Machine" stage in Trunks' story 
Unlock Vegeta: Finish the "Vegeta vs Android 18" stage in Vegeta's story

Extra DP:
Follow the tasks in Maximum mode for more DP. 

Increase DP by 1: Finish 5 or 6 levels.
Increase DP by 1: Finish Novice mode.
Increase DP by 2: Finish Hard mode.
Increase DP to unlimited: Finish Mania mode

Unlock Novice max. mode: Finish Z-Battle with any team
Unlock Hard max. mode: Finish Novice Max. mode
Unlock Mania max. mode: Finish Hard Max. mode
Unlock Unlimited Dragon Power: Finish Mania Max. mode