Halo 4 can win you cash, prizes and trips with American Express November 2, 2012 by admin Tweet Microsoft has announced a partnership with American Express that will let players of Halo 4 win prizes, cash and maybe a trip to E3 2013 just by playing the first person shooter. Read more… Neowin Related Posts:Goldman Sachs wants to hand off Apple partnership to…Microsoft and American Express team up to make…Halo Infinite crosses 20 million players, biggest…Halo 2 and Halo 3 'remastered' E3 demos return with…Halo will get its own Warhammer-like tabletop game…