https://www.gamespot.com/articles/assassins-creed-origins-features-a-hidden-watch-do/1100-6454728/

The speculation that Watch Dogs and Assassin's Creed take place in the same universe is essentially a meme at this point. After all, they're both freerunning-focused, open-world, stealthy Ubisoft games featuring main characters who obscure their faces in pretty conspicuous ways. But in Assassin's Creed: Origins, Ubisoft gave fans the clearest sign yet that this is more than just speculation.

Minor spoilers for Assassin's Creed: Origins ahead.