Face-down (裏側表示 Uragawa hyōji) is a position in which a card's backing is visible; as the term "face-down" suggests, the card's face is placed against the playing surface, preventing it from being seen. This is the opposite of face-up.
Face-down cards have no properties (name, Attribute, Type, Level/Rank, ATK, DEF, effect) until they are changed to face-up. A face-down card being looked at is still considered face-down and is returned to the field, face-down and in its original position, once the player is done looking.
Monster Cards must be placed face-down in Defense Position, except by the effect of "Darkness Approaches" (which allows face-down Attack Position). Face-down Monster Cards cannot be equipped with Equip Cards. If a monster equipped with an Equip Card(s) is flipped face-down, the Equip Card(s) is destroyed.
Spell and Trap Cards can only be placed face-down on the Spell & Trap Card Zones, or the Field Card Zone in the case of Field Spell Cards. Quick-Play Spell Cards and Trap Cards cannot be activated during the turn they are Set.
- All rules in this article are general basis rules. They may have some exceptions because of card's text or playing format.