Electronic Arts , It opens in London on Wednesday . Event is world 's largest trade fair for video games . 2012 , has come to show off new consoles , titles . ` ` ' , '' ` ` Diablo '' and ` ` Dead Rising '' updates to be released .
It opens in London on Wednesday . Event is world 's largest trade fair for video games . 2012 , has come to show off new consoles , titles . ` ` ' , '' ` ` Diablo '' and ` ` Dead Rising '' updates to be released .