All Working Jump! Ultimate Stars Cheats - DS

Double Gems
During a WiFi Match, at the deck selection screen, enter:

[Up], [Up], [Down], [Down], [Left], [Right], [Left], [Right], [B], [A], [Select], [Start].

After the match is finished, you will receive double the amount of gems.

Champion Ranking
Clear Point, Elimination and J-Star Ranking in J-Arena.

Unlock Pre-made decks
To unlock pre-made decks play through all the J-Ranking modes (Clear Point, Elimination, J-Star and Champion Rankings).

Unlock Champion Ranking
Clear Point, Elimination and J-Star Ranking in J-Arena.

Unlock Battle Characters
Allen - Unlock when you collect more stars than your opponent before the time runs out on the D.gray.man first mission
Anna - Finish in 30 seconds in mission 2 in Shaman King Planet
Arale - KO all the opponents using opposite type characters(all the opponents in mission 1 is all laughter)
Bankai Ichigo - Evolve Sangetsu to get Bankai Ichigo
Bobo-bo - get more wins than your oponnent in the first mission of the Bobo-bo planet
Dio - KO two characters with a support character in mission 7 of Planet X
Don patch - Avoid being hit for at least 2 minutes in the 2 mission of bo-bobo
Eve - Collect the all the stars in 40 second or less
Gohan - Clear the stage in 30 seconds or less in the second mission of DBZ
Gon - get the most points to win on the first mission in Hunter x Hunter
Hiei - Complete the fifth part of mission two on the yuyu hakusho planet
Hitsugaya - Clear Mission 1 of the Bleach Planet with at least 4 points
Ichigo - Get the most points on the first mission of the Bleach Planet
Jotaro - Finish mission 2 of Jojo's Bizarre Adventure with full health
Kakashi - KO at least 2 opponents with a special attack in mission 2 of Naruto
Kazuki - KO all the opponents in the first and only mission in Busou Renkin
Kenshin - KO with at least 3X attacks on the first mission of Rurouni Kenshin
Killua - Get 4 points more than your opponent in the first mission in Hunter x Hunter
Kyubii naruto (Demon fox Naruto) - unlock Jiraya and evolve him then get the path to Kyubii Naruto
Linali - Collect all the stars in 30 seconds on the first D.Gray-Man mission
Nami - collect 30 coins In one piece on the third mission
Neuro - Complete mission 1 of the Majin Tantei Nougami Neuro
Piccolo - Collect All 7 dragon balls on the third mission of DBZ
Renji - KO 2 enemies with Special Attacks in Mission 4 of the Bleach Planet
Robin - Clear mission 4 of Planet "U" within 30 seconds
Rukia - Have a full Special Guage when you clear Mission 3 of the Bleach Planet
Sakura - Finish mission 3 of Naruto with full health
Sanji - Collect more stars than your opponent before the time runs out on the second One Piece mission
Sasuke - KO KO 2 times with an attribute better than the opponent's
Seiya - Get the most points to win on the first mission os Saint Seiya
Train - Collect more stars than your opponent before the time runs out in the first mission in Black Cat
Tsuna/Reborn - Collect all the stars before time runs out in mission 1 in Katekyo Hitman!Reborn Planet
Vegeta - Never use special attacks in Mission two of DBZ
Yoh - Collect all the stars before time runs out in mission 1 in Shaman King Planet
Zoro - Get the most points on the first mission on the One Piece planet