Game.co.uk have the following offer codes for £3 discount on a £30 spend during january and february 2008:

January 2008 – jansavings
February 2008 – feboffer

Simply click here to visit game.co.uk and enter the offer code when prompted to do so at the checkout stage.

PS. If your after a game with a value of £29.99 but want to use the discount then check out the miscellaneous page of the site for small items less than £1 than you can add to your basket to get the value over £30 in order to use the offer code.