I’m sure you already had it marked in your calendars, but it is that time of year again when the Galaxies Showcase takes one more spin around the internet. This year’s stream will see new announcements Arc Raiders’s developer Embark Studios, Zero Parades: For Dead Spies’ ZA/UM, and Elite Dangerous’ Frontier Developments, along with a whole host of others. The showcase itself is taking place on October 15th, and you can watch it on IGN’s Youtube channel, over on Facebook,…