Yu-Gi-Oh Sacred Cards is a GameBoy Advance RPG where Yu-Gi-Oh and his friends are competing in a tournament hosted by Kaiba Corporation. To participate, you need to collect 6 locater cards through battles with various duelists around the city.
The gameplay involves battling other players using your deck's card effects and strengths. The goal is to lower their life points to 0, winning the duel. You can also buy new cards from a card shop or obtain them by winning battles. A unique feature in this game is the duelist level, which affects what cards you can have in your deck.