Controlling a user interface of a computer device

A computer device having:

• a user interface configured to generate a game board having game elements for display for engagement by a user;
• and
• a processor configured to control the user interface responsive to user engagement with the game element to remove from the display game elements on detection of a match game condition and to provide replacement game elements on the display, wherein a portion of the game board is displayed, including the replacement game elements, said portion being controlled to change by a scrolling action whereby enabling portion of the game board is newly displayed and a previously displayed portion of the game board is removed from the display.

A computer device having:

• a user interface configured to display user game elements and to detect user input when a user engages with a game element;
• and
• a processor configured to receive a detected user input and on detecting a game condition to control the user interface to provide a graphical representation of one or more game elements, wherein movement of one or more game elements is controlled by a selectable physics which controls the direction in which it moves.