A: Only by completing the game 100%. There is no "full unlock" secret menu.
80-120 hours. Method 2: The Action Replay DS "All Cards Unlocker" For those who want immediate results, the Action Replay DS is the true answer to the "Yu Gi Oh Marik The Darkness All Cards Unlocker" search. Yu Gi Oh Marik The Darkness All Cards Unlocker
A: Yes (Hamon, Uria, Raviel). They are included in the game's card pool and are unlocked alongside everything else. A: Only by completing the game 100%