The 665MB sample allows one to take control of the young Mr. Potter as the fledgling wizard attempts to find his way in a world of block-heads. At present, the demo is only available to Xbox Live Gold members--a restriction that should lift after the first week of availability.

PC and PlayStation 3 demos are also in the works and due to arrive in "late June," according to Warner Bros, which plans to release the game on PC, PlayStation 3, Xbox 360, Wii, Nintendo DS and PSP come June 25 in Europe and June 29 in North America.