Macao or Macaua is a variation Makaó, which is a Hungarian version of Crazy Eights, where players play a single card in sequence in a manner similar to Uno. Unlike Uno, however, Macao is played with a standard deck of 52 cards. Macao also involves bluffing so that the players do not necessarily have to play a card if they wish to save it for higher points later.
Macao is a game for two or more players, in which the object is to get rid of the cards in your hand onto a discard pile by matching the number or suit of the previous discard.
There is a huge number of variations of this game, and many alternative names. It is sometimes called Crates, Switch, Swedish Rummy, Last One or Rockaway. In Germany it is Mau-Mau; in Switzerland it is Tschausepp; in the Netherlands it is Pesten. Some British players call it Black Jack, which is unfortunate as it can lead to confusion with the well-known American banking card game Blackjack.
The basic game of Macao uses a standard 52 card pack, or two such packs shuffled together if there are a lot of players. The dealer deals (singly) five cards to each player. The undealt stock is placed face down on the table, and the top card of the stock is turned face up and placed beside the stock to start the discard pile.
Rules: Macao game is a very popular and interactive card game with no "official" rules, played with a standard deck of 52 cards. Each player receives 5 cards and another one will be placed on the table with face up. The first player must add a card with same suit or same value as table card. In sequence, the other players must provide a card with same suit or value as the last card added on the table. If the current player can not or does not want to continue, then he must take one card from the deck. Stage winner will be the first player who remains with no cards in hand.