Lots of work goes into the design of our multiplayer game modes. Extraction and Dominion were more complex than the standard objective games, from Halo 3 and Reach, but we had great designers and lots of experience, so 343 trusted us with quite a bit of freedom on that front. Of course, that meant hundreds of revisions and testing every day. As we tried ideas and re-worked the games until they felt right, the elements of the visual design had to complement and communicate to the players…