https://www.polygon.com/e3/2018/6/10/17447034/cyberpunk-2077-trailer-codes-witcher-3-cd-projekt-red-e3-2018-xbox

The codes that appeared at the beginning of Cyberpunk 2077’s trailer at Microsoft’s E3 keynote weren’t random.

One Twitter user who managed to grab a code while the trailer played said it was a voucher for The Witcher 3: Wild Hunt, which included the full game and expansion pass. A clip of the codes in question — it looked like dozens of them quickly scrolled by — can be seen below.