Killer Instinct Patch Adds 4K Performance Optimisation By Rebecca Smith, 08 Mar 2018 CommentsKiller Instinct players may well have noticed a recent patch for the game. Its main purpose was to add 4K performance optimisation for the Xbox One X, but there were a couple of other minor fixes, and you can take a look at the patch notes below.Xbox One X:Xbox One X 4K performance optimization.All Platforms:Fixed Hisako bug that allowed her to perform an Ultra on Block or Whiff when opponent was in HP Danger Zone.Shadow Lords Limited Time promotional packs (Crimson Guardian and other Rare Guardians) unified on all platforms to be offered the 1st and 3rd week of every month.The patch is available for download now if you haven't done so already.We've got the full list of Killer Instinct achievements - check the list for guides to unlocking them.This game was featured in our Best Xbox Fighting Games Available in 2018 article. Why not check it out to see what else made the cut?Game PatchXbox One X EnhancedXbox OneWindows View comments Written by Rebecca SmithRebecca is the Newshound Manager at TrueGaming Network. She has been contributing articles since 2010, especially those that involve intimidatingly long lists. When not writing news, she works in an independent game shop so that she can spend all day talking about games too. She'll occasionally go outside.