Instructions
Collect as many cards as possible. Some packs are unlocked only when you have 50 percent or more cards from another pack.
Go to the card shop every day of the week. Some packs are available only on specific days of the week.
Take different characters with you into the card shop. Different packs are available for purchase depending on who you take with you into the card shop. Going into the card shop with every available character unlocks 23 packs.
Complete the game's storyline at least once. This will unlock the See You Next Time pack for purchase.
Use the UMD (Universal Media Disc) recognition feature. "Yu-Gi-Oh! Tag Force 4" can scan the UMDs of "Yu-Gi-Oh! 5D's: Tag Force" and "Yu-Gi-Oh! 5D's: Tag Force 2." Scanning these two UMD disks with your PSP is the only way to unlock the Generation Next pack.
Collect the Dark Magician Girl, White Pikeru, Ebon Curran, Card Ejector and Cyber Tutu figures. Collecting these figures is the only way to unlock the Lovey Dovey Deck pack.
Obtain 90 percent of the game's cards to unlock the Black Checkers pack.
Enter the card shop and press "Right," "Right," "Right," "Right," "Right" "Square," "Square," "Square," "Square," "Square," "Square," "Square," "Select," "Select" and "Select" to unlock the High Noon Constellation pack.