It can be played between four players. The object is to take at least the number of tricks (also known as "books") that were bid before play of the hand began. Spades is a descendant of the Whist family of card games, which also includes Bridge, Hearts, and Oh Hell. Its major difference as compared to other Whist variants is that, instead of trump being decided by the highest bidder or at random, the Spade suit always trumps, hence the name.

Number of players
Two or more, the game is most commonly played with four players in pairs ("Partnership spades").

The Card deck
Standard 52-card deck. Spades may also be played with one or two Jokers or with predetermined cards removed. With playing with six or more players, a second deck is often used.

Rank of deck suit
Spades are always trump. Other suits have no intrinsic value during play, but a card of the suit led in the current trick will beat a card of any other suit except a Spade. If a tiebreaker is needed in a draw for deal.

Rank of cards
Highest to lowest: Ace, King, Queen, Jack, 10, 9, 8, 7, 6, 5, 4, 3, 2.

Objective of the game
To achieve the defined bid . Points are accrued by winning at least the number of tricks bid in each hand, and are lost by failing to take at least that many, or in some cases by taking too many.

United States is origin of Spades, plus it is a classic game which is also known as Callbreak in Nepal, Lakdi in India.

Future enhancement of Callbreak Or Spades
1.Localization
2.Online Multiplayer
3.Play with friends