Thanks to texting on mobile phones, the average human thumb is more dexterous than ever. But how do we know who has developed the best Thumb manoeuvrability? Now you can challenge your mates and see who is the best with Shocking Thumbwars...

War is hell and thumb wars is shocking. Now is your chance to raise the stakes. It's not just shame that will befall you should you lose. A bone rattling electric shock will be administered to your poor battling thumb.

And with three nail biting games to challenge you and your opponent the fun (or pain) will go on for hours.