On saturdays, go to the card shop and choose passwordmachine. Put in the following codes

Normally, this card requires a "Blue-Eyes White Dragon" on the field. But for some mysterious reason, you don't need one in this game. It basically destroys all of your opponent's monsters with no cost, with the bonus of not being restricted at all.

When you duel the Examiner for the practical portion of the Dorm Exam, sometimes he will lock himself into an infinite loop. If he has a full hand and cannot play any card, he will discard a card. If "Sword of Deep-Seated" is in his hand, he will discard it. The card will automatically go on top of his deck, where he will draw it on his next turn. Simply put, the Examiner will lock into an infinite loop, and as long as he does not get the opportunity to play a card, will keep discarding and drawing the "Sword of Deep-Seated" until he loses or your deck is emptied.

When you flunk in a test, and are bumped down to dropout boy, it is actually a good thing. First, make sure you have a deck that will increase your Life Points substantially. Then, find the gym teacher. She is usually around the gym or in the Obelisk blue girls dorm. When you talk to her, she will tell you she will raise your rank back to Apprentice Duelist if you can defeat her in a duel. As an added bonus, she will give you your remaining Life Points to you as Duel Points, which means a large number of points for new cards.

If you go without dueling headmaster Saytr Of Ra Yellow for over a month, duel him. He will complain about how nobody likes him anymore and other things. If you defeat him, he will talk for a bit then give you a free card.

On some dorm switch exam days, Miss Dorothy will be having trouble delivering new card packs. She will ask you to help. Help her and you will get a free card pack that later in the game will cost 1000 Duel Points Help her any chance you get. You only get five cards, but you can complete other packs with this pack.

If you are in the Obelisk Blue dorm after you have defeated Zane at the Grand Festival , sometimes if you have been sleeping for days in your room without dueling anyone, Zane will knock on your door. He will duel you. If you defeat him, sometimes he will give you a free Cyber Dragon card. Note: This will only work if it is New Years. Zane was knocking to have your spirit raised, and he will know that you are turning blue. Then he knows you are choking on food.

In order to get a free A Hero Emerges card, wait until you meet a student named Blair. Jaden will tell you that he thinks Blair is hiding something and wants to duel him at the harbor. Go there at night when you see the icon for Jaden and call out to him. Defeat him in the duel and you will win a free A Hero Emerges trap card.

You are able to get the card Jinzo by defeating Obelisk Blue people frequently, including Doctor Crowler. Doctor Crowler will get mad and send a man called the Shadow Duelist. He hires to come after you like in the show. When you defeat him, he drops the card Jinzo and a bill for Doctor Crowler. If you put Jinzo in your deck, a kid from Obelisk Blue will ask you to join his team if you are able to defeat him using his deck. When it is Thursday or Friday, he gets taken over by Jinzo from some ritual he tried so that he could summon Jinzo.

If you duel Syrus as a Ra Yellow, once you start the duel the screen will fade out and read "A Few Turns Later". After that, Syrus goes through the problem he has in the anime with his brother and Power Bond. Instead of using Power Bond, he uses Polymerization. In your hand you are given four E-Heros. You will then use Thunder Giant to beat Syrus. After the duel, he runs off and drops Power Bond. You can then keep Power Bond. If you keep skipping days as a Slifer Red by staying in your dorm, you will eventually see a "?" by your room. When you go there, someone will knock on your door. It is Chummley. He will challenge you to a duel, saying that you need more confidence and that you should leave your room more. If you win, he gives you a card that Jaden gave him when he was about to flunk. The card is Master of Oz.

Reach the "King of Games" rank to unlock the "Principal's Office" room at the Duel Academy location. Enter it to duel Chancellor Sheppard. Note: You will drop in status to "Prince of Games" if you lose to him. Defeat him more than once to be able to change your character's name.

When you are a dropout boy you kan raise your rank by deuling the gym theatcher and your remaining lp is your money (DP)