Intel launched its Xe HPG (the name Arc was going by back then) Scavenger Hunt on March 26 to gain more publicity and interest for its Alchemist graphics cards. It began with a video posted on Twitter containing some hidden codes that pointed to an Intel website and went from there.
https://www.techspot.com/news/94459-intel-arc-scavenger-hunt-prizes-suggest-graphics-cards.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/94459-intel-arc-scavenger-hunt-prizes-suggest-graphics-cards.html?utm_source=dlvr.it&utm_medium=blogger