Treasure-Chest Game
The Treasure Chest Game is featured in Ocarina of Time, Majora's Mask, The Minish Cap, Oracle of Ages, and Oracle of Seasons. It is a form of Gambling.
Ocarina of Time
In the Ocarina of Time version, Link chooses one of two chests in each room and hope to get a Small Key to let him into the next room. The Lens of Truth can be used to ensure victory. He wins a Piece of Heart at the end.
According to a gossip stone, it's against the rules to use glasses while playing.
Majora's Mask
In Majora's Mask, Link attempts to get to the end of the room by the end of the time limit where a chest lies with a prize. The prize depends on what form he is in at the time. The Game's host will change the price at which to play at depending on the form, also. When playing in the Goron Form, a Piece of Heart can be obtained.
The Minish Cap
In The Minish Cap, this game is completely based on luck and the further Link goes the more rupees he can get. The Chest Mini-Game Shop is held by Borlov.
Oracle of Ages
In the Oracle of Ages, on the second floor of the Lynna City Shop, a treasure chest game can be play after purchasing all the items. There will be two chests. One out of the two chests will have a rupee in it. After choosing the correct chest three times, the owner will ask if Link wants to try his luck. If he says no, he will give him a common ring. If he says yes he has to pick another chest. After picking the correct one here, he will again ask Link to bet again. No gets him a semi-rare ring. Saying yes will present a final choice of chests. Choosing the correct one will net Link a rare ring.
Oracle of Seasons
The exact same game exists in Oracle of Seasons, only it is located in the Horon Village Shop.