It feels like Summer Game Fest is only just in our rear view mirror and yet there's another video game extravaganza on the horizon. Gamescom is the planet's largest gaming event and we're sure to find out about a bunch of interesting new games at the Opening Night Live showcase (and, fingers crossed, maybe get a Hollow Knight: Silksong release date?). Xbox is broadcasting from the show floor across two days, and there will be other presentations that are worth keeping an eye on. Gamescom is taking place between August 20 and 24 this year, and we're learning bits and…