Want to play games online and have the chance to win £10,000 just for doing so? You need to go to gameplay.com's doUno? website then. It offers free-to-play quiz games covering such subjects as football, cricket, grand prix, rugby, music and more. Done in a pub quiz multiple choice style, they're phone-bill-threateningly addictive. The games also have an added appeal in the story mode that accompanies each. For example, in the music quiz you have to start a band and get them to the top of the charts. Answer questions correctly and animations show you signing record contracts, releasing singles or appearing on TV shows. Get it wrong and the audience will be hurling fruit at you.

Of course, the prizes, such as football shirts, Dreamcasts and much more, are added incentives to get your brain cells working. To get puzzling, simply click here.