Halo Infinite campaign can be glitched to allow two-player split-screen co-op, although it looks like it’ll break game saves.This was discovered and uploaded by Twitter user nobleactual, who shared a video (which can be seen below) of two Master Chiefs, in split-screen, in the Halo Infinite campaign.Clearly, this is an unintentional glitch, so expect 343 Industries to patch it out shortly, but nobleactual still listed precisely how to get it working for anyone who fancies it:I glitched into