While the Password Machine is for cards, there are "button codes" entered at the to unlock hidden booster packs:
Destroys all attack-position monsters your opponent controls. Normal Trap 53334641 yugioh 5d 39s tag force 4 password machine verified
Questions about card code - Yu-Gi-Oh! 5D's Tag Force 4 - GameFAQs While the Password Machine is for cards, there
If you want to beat the brutal AI in Tag Force 4, play Blackwings. yugioh 5d 39s tag force 4 password machine verified