Boxed In

You find yourself enclosed in a 'Burtonesque' room with no exits. Colourful cubes move towards you either from the far wall, the ceiling or from beneath your feet. In order to avoid being squashed by the cubes you must clear them by creating matches. Depending on your chosen options, you must either create a run of three or a block of four. When a match is made, the cubes will explode and destroy any others of the same colour touching them. They keep coming, faster and faster. How long will you survive?