However, for those who've encountered this sequence, it likely refers to the released throughout 2023, which transformed the game with everything from photo modes and New Game Plus to the Valhalla DLC. Additionally, "22052023" fits the date format used in some regions and likely points to a significant late-May 2023 patch (specifically v.4.01 ), released on May 22, 2023 , which was a crucial bug-fix update for the New Game+ mode launched the previous month.