Apple continues its drive to persuade existing .Mac subscribers choose to renew their subscriptions, offering action arcade-game Marble Blast to members for free.

Marble Blast from Garage Games usually costs $14.95. In the game, players must race marbles along moving platforms, dodging hazards while collecting sparkling treasures and power-up enhancements.

The game is available for free download to members at the .Mac site.

Subscriptions cost £69 per year, Apple is offering a free 60-day .Mac trial, which is available here.