inFamous demo on May 21

Official website also set to launch soon.

Sucker Punch has announced that PlayStation 3 gamers will be able to download an inFamous demo from the PlayStation Store on May 21, around a week ahead of the game's release. There's no word on what will be included in the demo.

The developer has also revealed that the game's official website will go live before May 10.

inFamous is a sandbox action game in which players take control of Cole McGrath, an average Joe who ends up with super-human powers.

The game is scheduled for release in the US on May 26 and across Europe on May 29.