# The KPuzzle Documentation - Options

#### The Properties Dialog

This dialog allows you to set basic properties for the game.

The Use Piece Mask checkbox controls the shape of the pieces. They will have a real jigsaw shape if the button is checked, and they will be simple rectangles if not.

The Turn Pieces Around button chooses the way the Turning Buttons work. If set, both turning buttons switch between all four directions of a piece, if not, the upper button mirrors the piece vertically, the lower button turns it upside down.

This setting may be especially useful if you have got only two mouse buttons, because the function of the Turning Buttons may also be achieved by clicking in the Playing Area. See the Playing Documentation for details.

With the Load Images options, you may choose how various standard pictures of the game (like the pause picture) should be loaded.

- On Use means the occupied memory will be freed when the picture is no longer needed. This has the effect that every time you need a picture, it is reloaded, which may be time-consuming.
- Keep keeps every image which has been loaded in memory.
- Preload loads all pictures during the startup of the game, which slows down this process.

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