One of the more interesting crossover promotions has Microsoft and American Express releasing a new Halo 4 credit card in which gamers in the US and UK can get $25 (or £25 in the UK) credit for finishing Halo 4.
The first 25 people in the US and first 5 in the UK who finish the game on Legendary will be entered to win a trip to E3 2013 in June 2013.
They will also receive coupons to establishments like AMC Theatres, PacSun, and Carphone warehouse.
Finally, gamers who use the card to pay for Xbox Live will get a $10 (or £10 in the UK) credit immediately.
Players interested in checking the Halo 4 card out can visit the official Amex page .