Life Points, commonly abbreviated LP (Japanese:
- Each player begins with 8000 Life Points.
- Life Points can be gained through the effects of some cards, such as "Dian Keto the Cure Master".
- Life Points can be lost by any of the following methods:
- Battle Damage: When monsters battle, they have strength values which are compared. If the monster is in Attack Position, their ATK value is used. If the monster is in Defense Position, their DEF value is used. If the player's monster is in Attack Position and its value is lower, the player loses Life Points equal to the difference. If the player's monster is in Defense Position, the player does not take lose Life Points equal to the difference, unless the opponent's monster has an effect to inflict Piercing damage.
- Effect damage: The effects of some cards, such as "Ookazi" directly lower a player's Life Points.
- Cost: Some cards, such as "Brain Control" require the player to pay Life Points to activate them. This is not considered to be effect damage.
- If a player takes damage greater than their remaining Life Points, they drop to 0, rather than a negative figure.
- If the player's Life Points are lowered to 0 they lose.
- Losing Life Points: The effect of cards like "Message in a Bottle". It doesn't count as paying Life Points or taking any damage
- In manga and anime, in the Duel Monsters Basic rules, players play with 2000 Life Points. These rules are used prior to the Battle City tournament. In all other forms of Duel Monsters, in the manga and anime, players start with 4000 Life Points.
- Some video games allow players to set the number of Life Points they begin with, which is up to 16000 in some cases.
- In Yu-Gi-Oh! BAM, players begin with a number of Life Points equal to the combined Life Point score of the Monster Cards in their Deck.
- In the anime and Tagforce games, some effects allow players to continue playing while they have 0 Life Points, such as "Relay Soul" and "Infernity Zero".
- In Dungeon Dice Monsters in the manga, each player's Dungeon Master has 3 Life Points. Each time it gets attacked, it loses 1 Life Point. These are renamed Heart Points in the anime.
The following gauges are used to keep track of Life Points in the anime.