Toggles the Full Screen mode on and off.

Toggles the sounds on and off.

Toggles the startup demo on and off (see Starting the Game).

Sets mouse control of the hero (see Moving Around).

Sets keyboard control of the hero (see Keyboard Control).

Sets hybrid control of the hero, for laptops, where the touchpad or other pointer device is used to guide the hero and the dig keys, on the keyboard, are used for digging left and right.

Sets normal game speed (10 units).

Sets beginner game speed (5 units, half of normal speed).

Sets champion game speed (15 units, 1.5 times normal speed).

Increases the game speed by one unit, up to a maximum of 20 units (twice normal speed). You can use the + key as a shortcut.

Decreases the game speed by one unit, down to a minimum of 2 units (a fifth of normal speed). You can use the - key as a shortcut.

In the KDE desktop this item allows you to change the keyboard assignments (e.g. for keyboard control of the hero) or to assign your own shortcut keys for menu items.