Jigsaw365 contains one image for every day of the year and if that's not enough the game has a bonus month "My Month" that fits between December and January where the player can add their own images.

The game's main screen is a calendar from which the player selects either the current day's picture or any other picture if today's is not to their taste. Having chosen a picture there are many different ways to manipulate and break up the image.

The image can be broken into twelve, fifteen, sixteen, seventeen, twenty, twenty-four, twenty-five, fifty, one hundred, one hundred and fifty and two hundred pieces. The player selects the desired number of pieces via a slider control. All of these configurations have sub categories selected by a second slider control. This allows the player to choose between different styles of piece.
In addition to the above there are five special jigsaws. These are the thirty and ninety piece piece jigsaws whose pieces are in the form of a the American revolutionary Flag, the forty-five and seventy-two piece jigsaws with pieces making the states of the USA, and a one hundred and thirty five special shapes jigsaw.
To make the jigsaw that bit more, or less, challenging the player can choose whether or not the pieces are randomly rotated when they are first displayed.

When completing the jigsaw the game has a number of options to help the player. For example the player can request that just the edge pieces are displayed, say at the start of a puzzle.

Puzzles can be saved in a part completed state. When the image is next selected the player is offered the choice between continuing or restarting. All puzzles are timed and can be played either in a window or full screen. The game is entirely mouse controlled.

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