There's something hidden on Halo 20th Anniversary Xbox Series X consoles — but you'll need a blacklight to see it.
Fans have found that shining blacklight (essentially UV or ultra-violet light) on the special edition console reveals a hidden Zeta Halo symbol.
An image of the discovery was shared by Demon_King_Lamb on reddit, as spotted by The Verge. I'm not super familiar with Halo, so to me it all just looks like a sneeze.
Blacklight will also reveal a hidden surprise on the 20th Anniversary
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