A method, implemented as computer code being executed by one or more processors, in which a computing device displays computer game graphics showing a gameboard with multiple game elements that are removed when matched or switched, such as in a match-3, clicker or switcher game; and in which the processor draws the elements as irregularly arranged columns of colored blocks; and the processor draws small animals are placed on or amongst the blocks; and the processor is programmed such that the object of the game is to enable a target number of the animals to descend to the ground and be rescued, by the player removing blocks from the gameboard.