For those who missed the original posting back in April, you can see the commercial and a link to the 8-bit game. Have fun!
The original announcement page: https://www.guildwars2.com/en/news/presenting-the-rytlocks-critter-rampage-game/
The game: https://d3b4yo2b5lbfy.cloudfront.net/rampage/index.html
(edited by AesirValkyr.7418)