Microsoft is hiring out London's iMax cinema, the UK's largest cinema screen, for the launch of Bungie's Halo 3 next week.
Celebrities including broadcaster Jonathan Ross (who provides voice talent for the game) and producer Pharrell Williams will be on hand at the event to add some glitz to proceedings.
Fans are invited to turn up at the iMax on London's South Bank from 6:30pm on Tuesday September 25 for a number of planned events, including a photographic exhibition, which will later tour key Pearl & Dean cinemas across the UK.
An invite-only aftershow party is also planned with top DJ talent due to entertain the crowd.
Halo 3 goes on sale Wednesday September 26 in Europe, with many analysts expecting the title to reach impressive sales figures across the globe.
Microsoft is offering three versions of the game for sale, from the Standard Edition to the Legendary Edition which ships with extra content and a collectable Spartan helmet case.
Official confirmation of the launch event is expect from Microsoft shortly.