Changing reel strip layouts for a game played on a gaming system

A method (700), apparatus (101) and gaming system (100) for playing a game comprising a base game and a feature game, are disclosed. The base game is a spinning reel game comprising a plurality of spinning reels (501 to 505). The gaming system (100) comprises a processor (205) for controlling the play of the base game and the feature game. The gaming system (100) also comprises at least one display device (214) connected to the processor (205) for displaying one or more screens of the game. The gaming system (100) also comprises input means (202) connected to the processor (205) and the display device (214), for use by a player in controlling one or more aspects of the game, wherein the processor (205) controls the game such that upon a trigger event occurring within the base game, a layout of the spinning reels (501 to 505) within a screen of the base game is changed to provide a new game area (800) within the screen for presentation of a feature game. The feature game comprises a plurality of feature symbols progressively moving from a first predetermined point of the new game area (800) to a second predetermined point of the new game area (800) with respective results of playing the game feature.