you really don't need any cheats to beat any duelists..

^_^

try using the water deck..

Try using a deck that's focused on a single type of TYPE
Or use a deck with lots of combinations.



P.S.Try to complete all the card packs.

practice ^_^

buy more cards you can get the money from banner evry month but when you go to blue you
don't get money

try having hero cards such as e-hero avian, burstinatrix and so on and get the correct
spell cards like skyscraper, sparkgun etc.

wow my answer is good deck very good

You can use gameshark codes to acces cards or unlimited money.
Infinite Duel Points
B99F58A51A36
2E78FE2A7000
C3E2C3FCBFFA
OR
All the Cards
1BDF78E58508
CFCF44759276
CA097C143F53

i just made a warrior deck and a deck for every exam like rituals, direct damage, etc. i
passed every exam in first or second.