Gamescom opens in Bethesda on this year . UbiSoft will introduce a new fighting game designed specifically for the Xbox One , `` Fighter Within . '' Event is world 's largest trade fair for video games . Microsoft , Microsoft expected to show off new consoles , titles . `` Sony , '' `` Diablo '' and `` Diablo '' updates to be shown .
Gamescom opens in Bethesda on this year . Event is world 's largest trade fair for video games . Microsoft , Microsoft expected to show off new consoles , titles . `` Sony , '' `` Diablo '' and `` Diablo '' updates to be shown .