A game where players see only part of the situation and guess the rest.
It is like poker night. Everyone holds their cards close to their chest.
You watch the bets and guess their cards. Game AI does this in poker and mahjong too.
Belief State
A Belief State organizes guesses about hidden parts of the game.
POMDP
An Imperfect-Information Game extends a POMDP idea to many players.
Game AI
Game AI handles hidden information in games like poker and mahjong.